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 ...

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 ...

In Investigation Discovery’s ‘The Serial Killer’s Apprentice,’ the primary focus is on the gruesome crimes committed by Dean ...

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

A new Investigation Discovery documentary, “The Serial Killer’s Apprentice,” unpacks the story of Elmer Wayne Henley, who, as ...

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 ...

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 ...

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

Forensic psychologist Dr. Katherine Ramsland talks about Elmer Wayne Henley Jr., an accomplice to Texas murderer Dean Corll, ...

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