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

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

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

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

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 ...

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 ...

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

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 ...

From 1970 to 1973, Dean Corll, dubbed the "Candy Man" killer, murdered at least 28 boys and young men in the Houston area ...

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