Cheyenne Rose Antoine of Saskatoon, Canada made headlines in January 2018 for her Facebook selfie. But this was no ordinary photo: It was key murder evidence. We investigate social media's role in crime-solving and evidence-gathering.

Maggots, blowflies and other bugs not only help investigators determine time of death for a fresh corpse, but they also help catch killers. Read about these helpful bugs and watch our video.

Prosecutor Marcia Clark of 'Marcia Clark Investigates The First 48' spoke with A&E True Crime about the suffering she felt after the O.J. trial, why we're fascinated by brutal crimes and why she'd make a good juror.

A&E True Crime talks to real bloodstain pattern analysts about how the science works and why some people, including those in the BPA field, are skeptical about how it's used in criminal cases.

With the 2017 chloroform-poisoning murder of 3-year-old Mariah Kay Woods, A&E True Crime explores the history of the chemical's use and how it kills.

Cracking a murder case commonly draws on forensic evidence and eyewitnesses, but occasionally victims themselves—either before they die or after—are playing a role in helping find their suspected killers.

Working as a real-life crime-scene investigator is far different from the way it's often portrayed in crime dramas. A&E True Crime clears up some of the biggest misconceptions about being a CSI, according to actual crime-scene experts.

Ken Holmes, a retired death investigator and coroner, talks to A&E True Crime about the small clues that have helped solve big crimes and the surprising aspects of dealing with death for a living

Over the last few decades, a major trend in forensic science has been the rise of doubts about previously rock-solid methods, raising serious concerns about the justice system's ability to protect the innocent and punish the guilty.

We ask retired CSI detective Ken Martin about the legitimacy of TV cops digging bullets out of walls, tying red strings through a scene, and other forensic techniques to learn which are real and which are just for the camera.