Mary Bruno told investigators her husband was killed by their roommate, Dennis Roy, who kept her drugged and incoherent for days after the slaying. Security footage from Roy’s work told a different story. 

Michael Severance’s body was found at the bottom of pond weighted down with car parts, tires, and cinder blocks.

Lou Castro lived extravagantly in Kansas with his cult-like family and was found guilty of rape and the murder of Patricia Hughes. 

When Sylvia White was setting up the murder-for-hire of her husband, Billy White, she told the hitman, “It's not that hard to do. I had a stepchild. I put a bag over it until it stopped breathing.”

Followers of James Ray went to the “Spiritual Warrior” retreat seeking enlightenment; what they found was misery and death.

All of Michael Gargiulo’s victims were “young, attractive, and outgoing" young women, said Los Angeles Assistant District Attorney Garret Dameron.

Ashley Ellerin was stabbed more than three dozen times, creating a crime scene that one detective will never forget.

One after another, the husbands of Betty Neumar died in unusual circumstances, and she was eventually charged with arranging the murder of her fourth husband, Harold Gentry.

Tracie Miles and her boyfriend, Paul Nelson, plotted the murder of her mother, Sandra Miles, after Sandra took away the keys to Tracie’s car.

Stephanie Olson and David Dressman hatched a deadly plot to kill Olson’s mother Diane Snellen after she forbade her from moving out.