After Bonnie Gamboa and her newborn son disappeared from their home in Modesto, California, detectives worked frantically to find out what happened to the missing mother and child.

Dubbed “Mommy and Clyde," Sante Kimes and her son, Kenny Kimes, were involved in a string of crimes across the U.S. until they were finally captured in the late 1990s.

Dr. Peter Normann advertised quick and easy “lunchtime lipo” procedures at his Phoenix clinic, but the surgeries resulted in three patient deaths.

Billy Rouse told investigators that after blowing off his father’s lower jaw with a shotgun, he beat him until “he quit moving.”

Oliver O’Quinn later admitted that he murdered 24-year-old college student Michelle Herndon because “she put him down.”

Allan Lanteigne was found bludgeoned to death at his home in Toronto after his alarm system had been deactivated.

Kim Paris, a 23-year-old Navy flight controller, was assigned to go undercover and get close to David West, the former boyfriend of murder suspect Cynthia Campbell Ray.

Investigators discovered that Rick Van Thiel had been conducting unlicensed medical procedures — including abortions — in his trailer clinic, treating everything from cancer to STIs.

Carol Giles and Tim Collier tortured her friend, Nancy Billiter, after they became convinced that she had overheard them discussing the murder of Carol’s late husband. 

Jenna Oakley and her boyfriend, Kenneth Nigh, were captured sleeping in the parking lot of a New Mexico motel just days after her stepmother’s brutal murder.