6 Nights of Serial Killers on ID

From his chilling childhood to his explosive execution, go inside the twisted world of the notorious serial killer.

In March 1980, teen Carol Ann Barrett was kidnapped from the Daytona Beach motel room she shared with her friends on Spring Break. After over 40 years, the murder was solved when serial killer Billy Mansfield, Jr. confessed to her murder.

“We need new information on this case, that is what is going to lead to it getting solved,” the city’s mayor says of whoever killed the girls and women.

Tristan Dilley, 15, helped rescue her suspected killer during Hurricane Harvey after seeing his post for help on Facebook.

Inside the murder of this allegedly abusive mom that brought Munchausen by proxy syndrome into the spotlight.

After police in Pueblo, Colorado, discovered the decapitated body of a woman in a creek, they arrested a security guard who was found with a severed hand in his pocket.

Police say surveillance video and phone data aided detectives in making sense of a “very, very perplexing” crime scene.

In January 2022, Shawn Laval Smith allegedly attacked 24-year-old Brianna Kupfer after he entered the business where she was working alone, police say.

Nearly 30 years after the body of 10-year-old Marie-Chantale Desjardins was found behind a shopping center, 61-year-old Réal Courtemanche has been charged with her murder.