Dean Arnold Corll (December 24, 1939 – August 8, 1973) was an American serial killer who, together with two younger accomplices David Brooks and Elmer Wayne Henley, committed the Houston Mass Murders in Houston, Texas. The trio are believed to have murdered at least 27 boys; the crimes came to light only when Henley shot and killed Corll.

At the time of the murders being discovered, the 'Houston Mass Murders' were the worst case of serial killing in American history.

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