Derrick Jamison, who spent 20 years in prison for murder before being exonerated on his execution day, and Robert Dunham, executive director of the Death Penalty Information Center, tell us what it's like in the final hours leading up to an execution.

Ethan Brown, a reporter who spent years investigating the murders of eight sex workers in Jennings, Louisiana and wrote the book 'Murder in the Bayou,' says there's credible evidence to suggest that several offenders have blood on their hands, and that Jefferson Davis Parish's own law enforcement may be implicated in the crimes.

The true crime audience skews largely female, sparking some to question why the genre is so popular among some women. But in Rachel Monroe's book 'Savage Appetites,' she reverses that gaze, turning the lens toward four women who she thinks embody or challenge four classic archetypes of the genre: Detective, Victim, Defender and Killer.

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.

Julie Williams, Lollie Winans, Paul Fugate and others are among those who have been killed in national parks and whose cases have yet to be solved.

True-crime writer Billy Jensen empowers readers to become citizen detectives, using social-media resources to identify uncaught criminals. He explains how he does this without interfering in police investigations and tells us about his book, 'Chase Darkness With Me.'

At 89-years-old, David Carpenter—the 1980s serial killer known as the 'Trailside Killer'—is the oldest death row inmate in California. We explore Carpenter's early life, crimes and trial.

There was nothing on the surface that raised red flags about Robert Hansen. The unassuming Anchorage native was married with children and was the successful owner of a bakery. But Hansen eventually confessed to killing 17 women in the Alaskan wilderness in a most heinous way.

Ken Rex McElroy, a bully who menaced the farming community of Skidmore, Missouri for years, was shot and killed on July 10, 1981 outside a local bar. Witnessing the murder were McElroy's wife and dozens of local residents. Yet the gunman has never been identified.

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.