In 1975, Elmer Wayne Henley was sentenced to life in prison for his role in the Houston mass murders. Here’s everything to ...

Here’s where The Serial Killer’s Apprentice Elmer Wayne Henley is now, and what happened to the Candy Man Killer, Dean Corll.

Former gas station worker Elmer Wayne Henley Jr. revealed how he became an accomplice to "Candy Man" serial killer Dean Corll ...

One of the two teenage accomplices of a serial killer dubbed "The Candyman Killer" is speaking out from behind bars in a new ...

A man who helped lure victims for the notorious Candy Man killer back in the 1970s is speaking out on a new doc for the first ...

Dean Corll killed at least 27 boys in the early 1970s, but he had help. ID's The Serial Killer's Apprentice digs into how—and ...

Even if you don’t have traditional cable, you can watch “The Serial Killer’s Apprentice” live and on demand for free using ...

Criminologist Dr. Katherine Ramsland takes Elliott inside the chilling story of Elmer Wayne Henley Jr., accomplice to the ...

The Serial Killer's Apprentice,' airing Sunday, dives into the relationship between evil mastermind Dean Corll and one of the ...

The new documentary "The Serial Killer's Apprentice" follows Dr. Ramsland who dives into the mind and memory of Elmer Henley ...

Renowned forensic psychologist Dr. Katherine Ramsland spoke to PEOPLE about the mindset of Elmer Wayne Henley Jr., an ...

A new Investigation Discovery documentary, The Serial Killer’s Apprentice, centers on recorded conversations between Elmer ...