Dr. Kirk Yeager, the FBI's chief explosives scientist, works to understand bombs, bombers and the conditions that allow them to thrive to prevent future disasters.

Mona Gable, author of 'Searching for Savanna,' spoke with us about LaFontaine-Greywind's murder, and how it sparked progress in ensuring justice for missing and murdered Native American women and girls.

Retired investigator Joe Kennedy established a coalition of active and retired investigators who help police departments in the U.S. solve cold cases. A&E True Crime spoke with Kennedy about how advances in DNA analysis have revolutionized such investigations.

For nearly two decades, Chicago faced a curious rise in the number of unsolved murders against women involving strangulation—all in certain areas of the city. We take a look at one of the unsolved cases and what police are doing to solve the string of murders.

A&E True Crime interviews Sheriff Pettway about his road to working in law enforcement, what his childhood was like and what's been happening with the Jefferson County Sheriff's Office."

Cpl. Mark Laureano talks to us about the less-than-traditional road he took to the Richland County Sheriff's Department and falling in love with being a police officer.  

Ten-year-old Russell Callicoat was a kid with a dream—to grow up to serve as an Oklahoma Highway Patrol Trooper. Now, more than 30 years later, he spoke with A&E True Crime about the significance of this dream becoming a reality.

Officer Kingery of the Lawrence Police Department about what he's learned from Live PD, his proudest moments and his now-very-well-known dance moves.

Known for her empathetic approach with the public, officer Jill Marshall was first drawn to law enforcement in high school, and has never second guessed that path. She spoke with us about how she got started, lessons she's learned on the job with the Warwick Police Department and the real story behind her dog's name.

The Richland County Sheriff's Department senior deputy and law-enforcement vet spoke with A&E True Crime about his unit's relationship with the public and how technology makes his job both safer and more fun.