The disappearance of Sid Cranston Jr. shook up an Arizona town in 2015 and led to the discovery of a brutal, heart-wrenching crime.

After realizing that his father, John Rafter Jr., forgot to wake him up for school, his 13-year-old son walked into his bedroom and was met with a grisly crime scene.

Investigators learned that Hsiu-Ying “Lisa” Tseng made more than $3,000 a day at her clinic that had become a cash cow for opioid prescriptions. 

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.