Serial Killers

While Dr. Michael Joseph Swango eventually pleaded guilty to four murders, his victim count may be as high as 60.

Billy Chemirmir has been accused of smothering at least 12 elderly women to death while posing as a maintenance worker or health care aide, then stealing their valuables.

Months after the body of Isaac Roger's brother was pulled from the Chattahoochee River, the man behind the Atlanta Child Murders came gunning for him too, he claims.

The FBI profilers will be back, talking to Ed Kemper and Charles Manson while trying to solve the Atlanta Child Murders.

"By all accounts, they were friendly, peaceful, good people who encountered a force of pure evil acting at random," U.S. Attorney Tristram Coffin said of the murders of Bill and Lorraine Currier by Israel Keyes.

Billy Kipkorir Chemirmir's alleged trail of bodies was discovered when police caught him tossing a jewelry box in a Texas dumpster.

Kendrell Lyles has been charged with the murders of three people, including trans woman Muhlaysia Booker. He's also a person of interest in the killing of another trans woman, Chynal Lindsay.

Joseph DeAngelo's former fiancé Bonnie Colwell recalls how she'd accompany the future serial killer suspect on sadistic animal-killing adventures. 

Bonnie Colwell, who dated the man prosecutors say is the Golden State Killer and East Area Rapist, has revealed what he's like in bed and why investigators took interest in that.

Bonnie Colwell broke up with Joseph DeAngelo because his behavior was alarming her.