From 1970 to 1973, young boys began going missing in Houston Heights, Texas. Police dismissed them as runaways, unaware that the man responsible for their disappearances was one of America's most prolific and horrific serial killers: Dean Corll. It wasn't until August 8th, 1973, that the public would know the true scope of Corll's crimes, and his two unknown accomplices.

Author and Professor of Forensic Psychology at DeSales University Dr. Katherine Ramsland details how Corll was able to groom two teenagers into luring in victims for him, as detailed in her new book, The Serial Killer's Apprentice.

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