The "Serial Killer's Apprentice" episode 2 airs tonight on Investigation Discovery. Find out how to watch for free as ...

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 ...

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

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 ...

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

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

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

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

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

True crime writer and producer Tracy Ullman joins Karen Conti to discuss the newly released HBO documentary, ‘The Serial ...

Investigation Discovery’s ‘The Serial Killer’s Apprentice’ is a true crime documentary that chronicles the horrific crimes of Dean Arnold Corll in Texas in the early 1970s. The investigation revealed ...

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