John Wayne Gacy, serial killer? Or John Wayne Gacy, artist? The new documentary Collectors lets you decide whether a mass murderer who paints in his cell produces something to be treasured or something to be despised. Not surprisingly, filmmaker Julian P. Hobbs has found plenty of people on both sides of the issue.

Collectors largely revolves around the art -- most of it very good -- of Elmer Wayne Henley, who in the early 1970s killed some 27 young boys with the help of Dean "The Candyman" Corll in southwest Houston. In 1973, Corll turned on his accomplice and Henley shot him. Henley is now serving six life sentences for his crimes. He has little to do but paint.

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