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.

Helen Potts, a young woman of wealth and privilege overdosed on morphine and died in 1890 while attending a prestigious finishing school. Her husband, Carlyle Harris, a med student whom she had married in secret, had prescribed her some pills containing the drug. But the pills contained enough morphine to kill a person—and Harris knew it.

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.

Former FBI special agent John Douglas spent his 25-year career with the Bureau interviewing hundreds of America's most infamous killers, from Charles Manson and Ted Bundy to the 'BTK Killer,' Dennis Rader and more. The 'Mindhunter' author talks to us about his new book, 'The Killer Across the Table,' and his tried-and-true interview techniques.

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.

They committed their crimes before they were old enough to vote. Then they were condemned to die in prison. As of 2018, there were approximately 2,100 juvenile lifers behind bars. A&E True Crime looks at some of the juvenile offenders whose landmark cases have changed the law of the land.

From 'Kayak Killer' Angelika Graswald to cult leader Charles Manson, A&E True Crime looks at infamous criminals who profited in some way from their misdeeds, showing that sometimes crime does indeed pay.

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.

In the fall of 2013, Americans were shocked to hear about the arrest of an elderly couple in their seventies, Gerald and Alice Uden, each charged with separate murders from decades prior.