Notorious Cases

Investigators found bodies of women he killed in barrels in 1916.

The Jeffrey Epstein accuser told her story in *Nobody's Girl*.

Johnny Depp played the crime boss in 'Black Mass' 10 years ago.

The killer drew inspiration from the Martin Scorsese movie.

The infamous schoolteacher started two families.

Whole genome sequencing takes a starring role in a trial.

Joaquín Guzmán broke out of multiple Mexico facilities.

Although multiple suspects have been named, no one was convicted.

Two thieves left the Boston museum with 13 masterpieces in 1990.

A brutal crime turned its accused killer into a symbol.

Moore was the one person Wuornos couldn’t bear to lose.

The Texas mom said she had postpartum psychosis.

The PhD student killed four University of Idaho students in 2022.

Thien Ho sentenced Joseph DeAngelo decades after his first kill.

Female killers' motives also tend to differ from those of males.

The "Doomsday mom" was found guilty of killing her two children.

He lied his way into Congress and ended up behind bars.

John Wayne Gacy and Ted Bundy helped inspire the term.

The pair of men took their last victim on Halloween 1979.

A girl's murder is linked to a famous family but still unsolved.

The Florida killer was convicted in 1992 of murdering seven men.

The truth behind Wuornos’s life is more complicated than fiction.

Two cousins terrorized L.A. by targeting young girls and women.

The sailing traversed the Caribbean for five nights in October.

The star of 'Murder, She Wrote' had a tie to a real murderer.

The "Gainesville Ripper" killed five collegians in three days.

Saldivar was found guilty of murdering Selena in October 1995.

The "Killer Clown" killed at least 33 young men and boys.

Eight couples were murdered in Florence from 1968 to 1985.

What to watch, read and listen to for more of the "Killer Clown."

Their relationship status was unclear when Petito disappeared.

Five disabled men vanished in 1978—one was never found.

The "Killer Clown" revealed the crimes he’d hidden for years.

Gacy's outward charm fooled friends and family alike.

The "Killer Clown" killed at least 33 young men and boys.

The "Killer Clown" murdered 33 young men and boys in the 1970s.

The Butcher of Plainfield's sibling died in a fire in 1944.

A new wave of storytelling suggests a crossover between the two.

The high-powered attorney killed his wife and son in 2021.

Ronald DeFeo stood trial in 1975 for killing his family there.

The hardware store owner's murder led to Gein's arrest in 1957.

Speck killed eight nursing students on one Chicago night in 1966.

For years, Rader terrorized Kanasa as the "BTK Killer."

The Wisconsin woman once claimed the killer proposed to her.

Kohberger killed four University of Idaho students in 2022.

Nicole Brown's sister backed 1994's Violence Against Women Act.

What to watch, read and listen to for more of his ghastly crimes.

The Wisconsin killer influenced numerous fictional characters.

Others killers who echoed The Butcher of Plainfield's crimes.

She accused Patrick Lumumba of killing Meredith Kercher.

'The Twisted Tale of Amanda Knox' revisits the proceedings.

The author first published the story of the Clutter family's murder in 1965. In 2005, *Capote* recounted how it came together.

The investment advisor ran a $65 billion Ponzi scheme for years.

The crimes of the notorious murderer and grave robber were so heinous they inspired horror films.

From a Hollywood mansion to a filthy, cramped den, these homes became morbid crime scenes.

The Wisconsin native murdered Denise and James Closs in 2018.

Jim Jones led 900 followers to mass suicide in Guyana’s jungle.

Lyle and Erik Menendez infamously killed their parents in 1989.

Dahmer’s murders went undetected until his arrest in 1991.

Escobar was reviled by some and celebrated by others.

Police discovered 39 Heaven’s Gate suicides in California.

The mystery of the Zodiac Killer still enthralls the public.

Blanco made it to the top of the drug trade in the 70s and 80s.

Ramirez terrorized California during the 1980s.

In the panoply of American killers, Gary Ridgway stands out.

Gein was notorious for his fascination with women’s body parts.

A look at milestones in police use of DNA evidence.

The feared Chicago crime boss spent his last days in isolation.

Magen Fieramusca's lies about being pregnant were a cover.

The medical student targeted women he met online.

Cullen killed to feel in control, says author Charles Graeber.

The “Killer Clown" did most of his artwork behind bars.

Phillip Garrido was a convicted rapist before abducting the girl.

Letourneau's affair with her student stunned America in 1997.

The case of Hae Min Lee’s murder captivated the world.

Laci Peterson vanished in 2002—Scott was later convicted.

Broderick fired five shots at her ex-husband before fleeing.

David Berkowitz’s 1977 arrest ended a year of fear in NYC.

The 1969 Manson murders marked the dark side of the ’60s.

A fashion icon’s murder capped Cunanan’s killing spree.

Hernandez’s case raised questions far beyond football.

The Murdaugh murders exposed a web of deceit and financial crime.

Caylee Anthony’s disappearance shocked the nation in 2008.

Elizabeth Holmes, founder of the healthcare technology startup Theranos, was convicted of fraud in 2022. Find out what landed her behind bars and what her life is like now.

The Florida toddler's death led to 'Caylee's Law' in select states, making it a felony to not report a missing child promptly.

The Utah teenager endured nine months of abuse before her rescue.

The South African runner, nicknamed 'Blade Runner' for his futuristic prosthetic legs, was convicted of murdering his girlfriend in 2013 at his home.

A Manchester, England doctor murdered at least 215 patients (though suspected in 284 deaths) using diamorphine between 1975 and '98, making him one of the most prolific serial killers in history.

The eccentric millionaire and heir to a real estate dynasty's decades-long crime spree ended with a hot-mic confession and a memorable trial for the murder of Susan Berman.

Selena, Lennon and Darrell are a few celebrities killed by fans.

Gein's upbringing might have influenced his gruesome behavior.

The Munchausen syndrome by proxy victim left prison in 2023.

After 'The Juice' was acquitted of murdering his ex-wife in 1995, he faced other legal issues. He died in 2024 with unpaid debts.

2025 marks 30 years since O.J. Simpson was tried and acquitted of the murder of ex-wife Nicole Brown Simpson and Ron Goldman.

November 2024 marks the 50th anniversary of the capture of Paul John Knowles, otherwise known as 'The Casanova Killer.' He was suspected of 18 murders across seven states in 1974.

On November 13, 1974, DeFeo killed his family in Amityville. Although he confessed, his motives remain unclear.

Edna Cowell Martin reflects on her bond with cousin Ted Bundy, initially charmed by his charisma. Unaware of his dark deeds, her perception shattered upon his arrest. In her new book, she shares her shock and grief, offering a personal view of Bundy's impact on their family.

In the 2000s, the New Mexico desert became a graveyard for 11 females and an unborn child—their lives taken by a serial killer who became known as The West Mesa Bone Collector.

The victim of Munchausen by Proxy, who went to prison for her participation in the murder of her abuser, her mother, Dee Dee Blanchard, speaks with us about her new freedom.

Two years after the Jonestown Massacre, ex-members of the cult, Al, Jeannie and Daphene Mills, were murdered. The killer was never caught.

The successful lawyer was found guilty of two murders in 2023.

Jillian Lauren, author of 'Behold the Monster: Confronting America's Most Prolific Serial Killer,' speaks with A&E about her relationship with Samuel Little, the most prolific serial killer in U.S. history.

Was bullying during his early years to blame for Joel Rifkin becoming one of the most prolific serial killers in New York history?

New York's infamous serial killer, who murdered six people in the 1970s and is up for parole in 2024, is at Shawangunk Correctional Facility. But will he be released?

Police are working to ID five of the serial killer's 33 victims.

Read about the life and death of Tim McCoy, serial killer John Wayne Gacy's first known victim. Gacy murdered at least 33 boys and men between 1972 and 1978.

Dr. Marissa Harrison, an evolutionary psychologist and author, speaks to us about her research on female serial killers and how she was impacted by victims' stories.

Journalist and author Jeff Guinn on what can be learned from David Koresh and the Waco siege and how an FBI coverup continues to stoke the fires of government distrust three decades later.

Gacy's mental state at the time of his crimes was questioned.

From German nurse Niels Högel to U.K. doctor Harold Shipman to American nurse Charles Cullen, some serial killers target their patients.

Robyn Maharaj, co-author of 'Grilling Dahmer' with Milwaukee detective Patrick Kennedy, tells us about the late detective's experience with the serial killer.

Advocates for Lyle and Erik Menendez, who murdered their parents in 1989, recently initiated a petition to Governor Gavin Newsom to free the siblings. After more than 30 years behind bars, is there any chance they will walk out of prison?

Serial killer Edmund Kemper, later known as the 'Co-Ed Killer,' was released on parole from Atascadero State Hospital when he was 21 after shooting and killing his grandparents when he was 15. Why did psychiatrists allow him to go free?

The 'Unabomber' killed 3 people and injured more than 20 others during his mail-bombing campaign. What's his life in prison like today?

The serial killer brought fear to the University of Florida and surrounding area after murdering five young women over the course of three days in 1990.

Serial killer Lonnie David Franklin was arrested in 2010 due to a recovered DNA sample after murdering over the course of about 25 years. Learn about his victims.

We speak with author Jaime Gehring about her experience growing up in remote Montana woods next to Ted Kaczynski, who killed three people and injured 23 others between 1978 and 1995.

After a brutal killing spree during the 1980s and 90s, Gary Ridgway pleaded guilty to 49 murders in 2003. We look into who actually survived encounters with the serial killer.

The ex-police sergeant was convicted of killing his third wife and is currently in prison, but hasn't been charged in the disappearance of Stacy Peterson, his fourth wife.

Forensic psychologist Dr. Katherine Ramsland tells A&E about her over a decade-long correspondence with Rader.

On April 1, 1984, after years of a tumultuous relationship, legendary soul singer, Marvin Gaye, was shot twice and killed by his father, Marvin Gay Sr.

The non-profit Texas EquuSearch, which helps find missing persons, has sparked a renewed effort to find the remains of possible additional victims of the ‘Candy Man’ serial killer.

Since his incarceration in 2004, for the murders of 71 teenage girls and women, 'Green River Killer' Gary Ridgway has lived a life of isolation at Washington State Penitentiary.

Abdon Pallasch spoke with us about his reporting on R. Kelly and why it took nearly 30 years for the singer to be prosecuted.

On January 13, 1992, the serial killer changed his plea from not guilty to guilty but insane, which removed the need for a criminal trial and forced the verdict to be based on the jury's decision of his mental state.

Victims of the "Killer Clown" shared some surprising connections.

Scott Peterson, who was found guilty of the murders of his wife, Laci Peterson, and their unborn son, on November 12, 2004, was at San Quentin State Prison but in 2022 was transferred to Mule Creek State Prison while his family fights for a new trial.

In 1996 serial killer Ivan Milat received life sentences for the murders of seven missing backpackers found dead in Australia's Belanglo State Forest. Over a decade later, his great-nephew committed a murder and credited it to his family name.

Identifying what Rader says drove him to kill at least 10 people.

In the decade since FLDS leader Warren Jeffs was sentenced to life in prison for sexually abusing underage girls he married, evidence suggests he maintains a grip on a diminished, but devout group of followers.

Learn about the early years of one of America's most infamous serial killers, Gary Ridgway, who was convicted of murdering 49 people.

What did the killer do in the days before being executed for the murder of 168 people? What was his last meal, last words and last activities?

He was sentenced to death in 1989 for 13 murders, but escaped execution when he died of natural causes in 2013.

Albert DeSalvo, believed to be the serial killer responsible for the deaths of 13 women in the Boston area in the early '60s, told of a childhood marked by extreme violence and cruelty.

Some of the most infamous criminals in history experienced murders first-hand before they starting doing the killing themselves.

We speak with experts about the various reasons why notorious murderers become targets themselves while behind bars.

We speak with author Sarah Berman on her book, 'Don't Call It a Cult: The Shocking Story of Keith Raniere and the Woman of NXIVM.'

We spoke to Zeman about the findings that made him, along with investigative journalist Maury Terry, question the official account that serial killer David Berkowitz acted on his own.

Twenty years after actor Robert Blake’s 2005 murder trial ended in acquittal, the shooting death of his wife remains officially unsolved.

The "Killer Clown" died via lethal injection in 1994.

In 1994, a South Carolina mother drowned her two young sons, Michael and Alexander, by launching her car into the John D. Long Lake. What's her life in prison like?

A New York mother found her abducted young son across the world.

Jeffrey Dahmer was just 18 when he committed his first murder, much younger than the average age of serial killers, which researchers have determined is around 29 years old. Why did he wait nearly a decade before killing his next victim?

The serial killer murdered 10 people between 1974 and 1991.

Manson's murder conviction in 1971 left many, including his biological family, with guilt and unanswered questions.

In December 2020, a team of civilian codebreaker broke one of the unknown killer's messages after 51 years.

After the Golden State Killer's arrest in 2018, dozens of rape victims learned their assaults weren't isolated incidents but the work of a serial killer. Read how many survivors bonded through mutual trauma.

Peter Sutcliffe had the makings of a serial killer before he claimed his first victim.

Florida mom Casey Anthony lied to investigators about the 2008 disappearance of her 2-year-old daughter Caylee Anthony for weeks. We've compiled a list of some of her most questionable statements.

Wuornos sold sex to survive—ultimately killing seven men.

Saldivar was convicted 30 years of killing the Tejano singer.

A&E speaks with Alan Feuer about how a encrypted cell-phone system and a young technology specialist led to El Chapo's capture.

He murdered 33 male victims, some as young as 15 years old.

They escaped a house of horrors. Now the three women help others.

Griselda Blanco built a $2 billion cocaine empire, but her reckless thirst for blood made the Cocaine Godmother a target.

For over a decade, Whitey Bulger was America's most wanted gangster—the FBI's biggest domestic target. Wanted for 19 counts of murder, he hid in plain sight for 16 years with his girlfriend Catherine Greig. Read how he was caught.

Josef Fritzl imprisoned his daughter Elisabeth in a basement for 24 years. She emerged in 2008, her story of his sadism shocking the world.

Did psychological abuse play a role?

A&E speaks with Anne E. Schwartz, a former crime reporter for The Milwaukee Journal, who broke the story about Jeffrey Dahmer's arrest on July 22, 1991, about what it was like uncovering the life and murders of one of America's most notorious serial killers.

By the time Nassar was sentenced to 60 years in federal prison, his accusers numbered in the hundreds⁠—mostly athletes training and competing under the auspices of USA Gymnastics.

For years, her name was treated as a shorthand joke: Lorena Bobbitt, the angry, crazy wife, a 22-year-old Ecuadorian immigrant who had cut off her husband John Wayne Bobbitt's penis with a kitchen knife while he slept in their Northern Virginia home. The June 1993 incident served as international tabloid fodder for months.

Veggie pizza, canned spaghetti and ice cream are among the last-meal requests from infamous killers. We talk to Ashley Lecker, author of a book of recipes of some of these final meals, 'The Serial Killer Cookbook.'

California serial killer Michael Gargiulo was convicted of murdering two women and attempting to murder a third. What was his life like before he turned to killing and how did he find his victims?

The amazing 2006 escape of a 14-year-old girl from Kershaw County, South Carolina, who had been kidnapped, raped and held in an underground bunker in the woods for 10 days.

Family annihilation—wherein men kill their wives and kids (and, more often than not, themselves)—is so grotesque that it feels like it should only happen when a person is blinded by anger. But Chris Watts didn't murder his family in a fit of rage. We explore how his case breaks the family annihilator pattern.

A&E takes a look at some of the most notable 'black widows,' and the unbelievable lengths they went to off their spouses.

Explore the stories of five young women who were vital members of Charles Manson's cult, 'The Family,' and what became of them after they were separated from the man who had so thoroughly dominated their psyches.

Kamiyah Mobley was 16 years old when she discovered that Gloria Williams, the woman she knew as her mother, was actually her kidnapper.

A notorious Boston mob boss serving a life sentence for his part in 11 slayings, James 'Whitey' Bulger, 89, was ailing and confined to a wheelchair on October 30, 2018, when he was slain at the U.S. Penitentiary Hazelton. But the details around his death remain murky.

There are countless theories about how Teamster boss Jimmy Hoffa died and where his body might be. Here's a look at the three most plausible and a few of the most bizarre.

Special agents Javier Peña and Steve Murphy detail the rise of their careers and their eventual partnership with agents in Colombia, where they helped bring down Pablo Escobar’s Medellin Cartel.

Could a strapping prep school athlete have been so afraid for his life that he strangled his sex partner as an act of self-defense during a late-night tryst? That was the question posed to jurors the winter of 1988 during the 'Preppy Killer' murder trial in New York City.

Before they're caught, serial killers often fly under-the-radar. But just because police and the public aren't aware of a killing spree, doesn't mean it isn't happening. We look at five unsolved serial killer cases, the murders connected to them and some of the information we do (and don't) know.

After escaping a Colorado jail in December 1977, serial killer Ted Bundy fled to Tallahassee, Florida, and went on a rampage, attacking and killing sleeping coeds at the Chi Omega sorority house at Florida State University. One of the survivors of that attack, Kathy Kleiner, spoke with us about getting over her mistrust of men and how authorities can help victims.

She and her young daughter were kidnapped by a former student.

In the mid-2000s, girls and women started disappearing. A few years later, their bones turned up in a grave—but some are still missing.

It was the biggest cult prosecution in nearly a decade. In June 2019, NXIVM leader Keith Raniere was found guilty sex trafficking, forced labor conspiracy, human trafficking and multiple counts of racketeering—including sexual exploitation of a child. But while members swore by the 'self help' organization, rumors of its dark underside emerged.

Over a decade after she was found alive after being kidnapped as a child, Dugard has learned to drive, written two books and started a foundation to help other survivors.

On August 20, 1989, brothers Erik and Lyle Menendez killed their wealthy parents, Jose and Kitty, with a shotgun in their Beverly Hills home. Upon the 30 year anniversary of the murders, we take a look back on the most memorable moments from the intriguing double-murder trial.

It's been nearly a decade since four bodies were discovered spread over a quarter of a mile stretch of beach in Long Island, New York. Since then, other remains have been found, with 10 victims or more now likely tied to a single perpetrator.

Israel Keyes—a murderer who perplexed even the FBI's top minds in criminal profiling—traveled America leaving 'kill kits' with weapons and other items in secluded locations, picking them up before abducting and murdering a chosen victim.

Read about Manson's early years—starting with his neglectful mother, then moving on to his stints in institutions for 'delinquent' children and ultimately, in federal prison.

During the 1970s, David Berkowitz, also known as 'The Son of Sam,' prowled New York City, fatally shooting couples in cars. By the time he was arrested in August 1977, he had killed six people and wounded seven others. Although the murders stopped after his arrest, several people who worked on the Son of Sam case are convinced Berkowitz didn't act alone.

Forehead mutilation, an LSD hamburger and a missing lawyer all made the Tate-LaBianca murder trial highly unusual.

On June 4, 2008, a 30-year-old legal-insurance salesman named Travis Alexander was brutally slain in the bathroom of his Mesa, Arizona home. We examine the details of the crime, the conviction of Alexander's girlfriend Jodi Arias and what Arias's life is like in prison now.

In 1989 amid a media frenzy, five Black boys were arrested for raping and beating a Central Park jogger. After years in prison, their charges were vacated—but their lives were changed forever.

Chris Watts, the Colorado man serving three life sentences for the brutal murder of his wife and two young daughters claims to have had a religious conversion behind bars and is now an evangelical Christian. Murderers David Berkowitz, Jeffrey Dahmer and Karla Faye Tucker also claimed to have found or rediscovered God after being incarcerated. We speak with experts about why so many notorious criminals might make such claims while behind bars.

Twenty-two years ago, Amy Fisher walked out of an upstate New York prison. Dubbed the 'Long Island Lolita' by New York tabloids, she had dominated headlines in 1992 as the obsessed, gun-toting teen caught in a love triangle with a mechanic and his wife.

Gypsy Rose Blanchard and a former boyfriend are in prison for the murder of Gypsy's mom, Dee Dee Blanchard, who was believed to have an attention-seeking psychological condition, Munchausen syndrome by proxy. We speak with Gypsy Rose's father, Rod Blanchard.

The actor talks about his late wife Michelle McNamara's role in helping identify the Golden State Killer suspect.

A retired police investigator thinks the same person who killed JonBenét in 1996 could have killed two other girls in 1984 and 1993.

Historian Hallie Rubenhold, author of the book, 'The Five: The Untold Lives of the Women Killed by Jack the Ripper,' believes the victims of Jack the Ripper weren't all sex workers—they were just women who were asleep.

Mafia 'freelance contractor' and actor Gianni Russo spoke to A&E True Crime about his polio-afflicted childhood in the Little Italy section of New York City to friendships and feuds with legendary mob figures like Frank Costello and John Gotti.

Glynn Martin is a retired officer from the Los Angeles Police Department and the author of 'Satan's Summer in the City of Angels' about the local community's response to the 'Night Stalker' serial murders. Martin shares his experience as a young cop in the L.A. area during Richard Ramirez's reign of terror.

When Lizzie Borden was arrested and charged with the gruesome 1892 axe murders of her father and stepmother, no one could have predicted the widespread, lasting fascination with the case. We spoke with lawyer Cara Robertson about her new book, 'The Trial of Lizzie Borden,' about the most intriguing elements of the murder case.

What is evil—and how do we measure it?

Stacy, the fourth wife of Drew Peterson, who was convicted of murdering his third wife, Kathleen Savio, has been missing since October 2007.

Serial killer Ted Bundy had a chameleon-like ability to deftly change appearances—whether physically or with the help of costumes and props—which helps explain why the vicious killer was able to evade police for so long.

Kerri Rawson recalls learning of his crimes ahead of his arrest.

A&E investigates what life might be like for Chris Watts, the 33-year-old-Colorado man who pleaded guilty to murdering his wife and two daughters in November 2018, at the Dodge Correctional Institution in Waupun, Wisconsin.

Serial killer Richard Ramirez, otherwise known as 'The Night Stalker,' terrorized California in the mid-1980s with a series of rapes and murders. A number of women who survived his attacks mentioned his rotten teeth, among other details, helping police create a profile of the suspect.

A&E True Crime takes a look back at the horrific crimes of Canadian serial killer and 'Cold Case Files' subject Ronald Glenn West and investigates where is he now.

Exploring the details about the serial killer's January 1989 execution, including celebrations and commemorative T-shirts.

Take a closer look at what famous FBI profiler John E. Douglas and others in the FBI had to say about the cult leader.

Knox faced an eight-year legal battle for her roommate's murder.

After the still-unsolved murder of Elizabeth Short—the 22-year-old woman and aspiring starlet later dubbed 'The Black Dahlia'— the media and preachers used the case to warn young women of what could happen when you try to leave your family and seek fame.

From putting himself on the stand to proposing to his girlfriend in court, we look at some of the most outlandish moments from the serial killer's murder trials.

Explore theories surrounding the more than 60-year-old unsolved case of a dead boy found in a box in Philadelphia on Feb. 25, 1957.

A&E talks to experts on Jeffrey Dahmer about his early life and what may have led to him becoming a serial killer.

In November 2018, serial killer Samuel Little, 78, confessed to murdering 90 women. While the number may be astonishing.

Shortly after Chris Watts was sentenced to three life sentences without the possibility of parole for the murder of his wife and two daughters, prosecutors released a 2,000-page document known as the discovery (i.e. their evidence against Watts). The file contained a massive trove of surveillance photos, FBI interviews, text messages, police interviews with friends and family and more. We examine some of the discovery's details.

The December 11, 1978 Lufthansa heist by the Lucchese crime family, which took place at New York's JFK airport, was the most infamous caper in U.S. history.

A&E checks in on what Casey Anthony has been up to in the last decade; her relationship with her parents and friends, her legal status and other lingering questions about her controversial murder trial.

We explore how Aaron Hernandez went from gridiron star to convicted murderer—and how his life is teaching researchers about the brain.

Convicted serial killer Samuel Little confessed to 90 more murders. If all of his killings are confirmed, Little would be the most prolific serial killer in American history. Learn more about Little and his confession.

The circumstances around the cult leader's death is still a mystery decades later. Was his gunshot self-inflicted? Or did someone kill him?

A&E looks into the life of Joaquin Guzman and why murders by Mexican drug cartels are particularly gruesome.

One element of the 1978 mass death at Jonestown that hasn't been explored much is leader Jim Jones' rampant drug abuse—and how he used substances as a tool of control in his church. A&E True Crime investigate the roles drugs played at Jonestown.

Nicknamed 'The Dating Game Killer' after his 1978 appearance on the TV show of the same name while in the middle of a killing spree, Rodney Alcala died on July 24, 2021. Although convicted of seven murders, investigators speculate there are more victims.

A&E looks back on Columbian drug lord Pablo Escobar's rise to power and prosperity, and investigates who fired the bullet that took his life.

On September 29, 1982, and in the few days that followed, seven people in the Chicago area died in Tylenol-related poisonings. The capsules were all laced with cyanide. The killer or killers have never been found.

Although cannibals have always existed throughout human history as a cure for overpopulation, a means of survival during a famine, or even a way to contend with grief, what's more rare are murderers who kill for sport and then devour their victims. We talk to Dr. Eric Hickey, a forensic psychologist, on why some killers eat their prey.

Journalist Robert Rand speaks with A&E about what really spurred the Menendez murders, Erik and Lyle's reunion behind bars and why he thinks they should be released from prison.

We look at some of the most famous cases of abused people fighting back, sometimes with deadly results.

In an exclusive excerpt from 'The Menendez Murders,' journalist Robert Rand tells of the unlikely friendship between Lyle and Erik Menendez with the football star while all were being held on murder charges, and the personal conversations they had with the celebrity about his fears.

Peter Vronsky, author and investigative historian, speaks with us about ancient killers, the influence of technology on crime and how, in 100 years, the Long Island Serial Killer could be the new Jack the Ripper.

Gary Leon Ridgway, who raped and murdered more than 49 women, was obsessed with deviant sex and visiting prostitutes. This, combined with his aggression and violence, were significant driving forces behind his murderous actions, says Mary Ellen O'Toole, a retired FBI senior profiler who interviewed Ridgway.

Bryanna Fox, Ph.D, former FBI agent and researcher at the bureau's Behavioral Science Unit, talks to A&E True Crime about whether convicted serial killers are the key to catching active serial killers.

A tough upbringing often influences murderers' desires to kill.

Journalist Murray Weiss, who has covered organized crime for over 30 years and who is now at the New York Post, tells us why working-class people loved John Gotti, how the Mafia has changed since the 1980s and what it was like for John Gotti Jr. to leave the mob.

Marcus Parks of 'The Last Podcast on the Left' thinks Casey Anthony got away with murder. He spoke with A&E True Crime about how he believes the crime went down—and why the focus on chloroform as the murder weapon was a big mistake.

We list the surprising and previously unheard information related to Casey Anthony and the murder of Caylee Anthony from 'Casey Anthony's Parents Speak,' in which Cindy and George Anthony speak to Elizabeth Vargas for their first joint interview in years.

With the premiere of the new A&E series Cults and Extreme Belief, A&E explores some big questions about the groups Heaven's Gate, the Moonies and the Rajneeshees.

Dr. Mike Aamodt, forensic psychology professor at Radford University, on why female serial killers have declined over the years, why there was a big jump in serial killings in the U.S. between the 1960s and 1980s and his most surprising finding in his research of serial killers.

Read an excerpt from the book 'Life After Darkness: Finding Healing and Happiness After the Cleveland Kidnappings,' by Michelle Knight, now known as Lily Rose Lee.

From Green River Killer, Gary Leon Ridgway to Ted Bundy to Harold Shipman and more, experts on serial killers tell A&E True Crime who was the 'worst' serial killer and why.

The Golden State Killer and the Zodiac Killer top the list.

Here are the complicated details of the case.

Marcia Clark of 'Marcia Clark Investigates the First 48' tells A&E True Crime what swayed her in determining who was really at fault for Bonny Lee Bakley's death.

Journalist and therapist Nikki Meredith has corresponded with two of Charles Manson's most infamous followers for decades: convicted murderers Leslie Van Houten and Patricia Krenwinkel. Meredith speaks about what the former cult members are like today.

Psychologist Al Carlisle, who was part of a diagnostic team at Utah State Prison who evaluated Ted Bundy, talks about the serial killer's lonely childhood, participation in illegal activities at a young age and strong desire to control women, which Carlisle believes led to his psychopathic tendencies as an adult.

The famous prosecutor on the negative effect the media had on the investigation into what really happened to Chandra Levy.

True-crime author Harold Schechter, author of 'Hell's Princess: The Mystery of Belle Gunness, Butcher of Men,' on what made serial killer Belle Gunness unique and if she tricked everyone into believing she died.

Marcia Clark of 'Marcia Clark Investigates the First 48' talks about why she believes Drew Peterson murdered his wife, Stacy Peterson.

Serial killers often live fairly ordinary lives with normal employment, enabling them to blend in with colleagues. Their legitimate jobs also offer them one more key perk: an opportunity to help carry out or conceal their crimes, according to experts.

Marcia Clark spoke with us about a shocking computer search from the Anthony home.

Prosecutor Marcia Clark spoke with us about the suffering she felt after the O.J. trial and why she'd make a good juror.

A look at the shocking murder of celebrity architect Stanford White by New York City millionaire, Harry Thaw at Madison Square Garden.

Read an exclusive excerpt about the early life of one of Charles Manson's female followers from The Manson Women and Me: Monsters, Morality, and Murder, by Nikki Meredith.

We spoke with Marcus Parks—whose podcast "The Last Podcast on the Left" ran a special on Jonestown—to learn more about the last fateful hours of the men, women and children who died that tragic day.

Experts weigh in on whether the 918 people, including almost 300 children, who died during the Jonestown massacre were victims of suicide or murder.

We spoke to Rachel Jeffs about leaving the polygamous life behind.

Melissa Moore, daughter of the Happy Face Killer, talks to A&E about what it was like as a child to learn her dad was a serial killer.

Wayne Williams has been in prison for almost 40 years after being convicted of murdering two men. Although he was never tried or convicted, the murders of 29 kids and young adults were attributed to him as well.

Beatrice Yorker, an expert in serial killings in health arenas, tells us how killers in medical professions often get away with the crime.

Debates around and other little-known facts about the leader of the Branch Davidians, David Koresh, and the Waco siege.

Why the serial killer was so well-behaved after being locked up.

Why do so many killers—Jeffrey Dahmer, Ted Bundy and David Berkowitz to name a few—abuse animals before targeting people? An expert provides insights on how the two behaviors are linked.

Is there any relationship between Borden's rumored crimes and the murders of other Victorian-era female killers?

Investigative journalist and crime writer M. William Phelps talks about his 'friendship' with serial killer Keith 'Happy Face' Jesperson.

Thomas G. Martin, former federal agent gives his take on the disappearance of Madeleine McCann.

Writer Larry Brand of the 'Young Charlie' podcast talks about misconceptions about the deranged cult leader's early years.

A&E talks with Dr. Scott Bonn, criminologist and author of the book, 'Why We Love Serial Killers' about what he thinks were the powerful catalysts for the makings of a serial killer.

These criminals were literally dressed to kill.

Celeste and Steven Sanchez recount their experience helping victims at the Las Vegas shooting.

Watch a video on the life of the infamous serial killer, Son of Sam.

Over 20 years later, Dr. Stuart Hart, a child psychologist and expert defense witness in the trials of Erik and Lyle Menendez for the 1989 shotgun murder of their parents, still believes the brothers were abused.

A&E True Crime spoke to experts to explore the disturbing reasons why some men kill the person with whom they've vowed to share a lifetime.

We look at some high-profile cases where crime-scene glitches may or may not have tipped the scales of justice.

Isabel Martinez recently shocked the world by allegedly stabbing to death her husband and four of her five children (she's been charged with multiple accounts of murder and aggregated assault). Although she has yet to be convicted of any crime, we are reminded of famous cases of mothers convicted of killing their children.

Jesse Jannetta breaks down O.J.’s parole hearing process and outcome.

Gianni Versace's alleged murderer's killings have been described as a "spree," while the FBI classifies him as a serial killer.

Meet four female murders whose stories you won't forget.

An excerpt from David Schmid's article, "Why Americans Are So Fascinated by Serial Killers," on HISTORY.com.

Nicknamed "The Butcher of Plainfield," Gein enjoyed robbing graves and amassed a collection of body parts that he put on display at home.

By the time the murderess's crimes were discovered at her burnt-out pig farm in 1908, her tally of victims had risen to at least 12, and possibly as high as 40.

Killers who leave notes at crime scenes or mail missives to police and the press take a big risk. Read stories and watch videos about eight murderers who just had to put it in writing.

Q&A with Kevin Flynn on editing the crime compilation, The New York Times Book of Crime: More Than 166 Years of Covering the Beat.

What is "missing white woman syndrome"?

Check out the A&E syllabus for JonBenét Ramsey 101.