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ST. LOUIS – A new documentary takes on the global problem of human trafficking and sexual exploitation.

The film is called When the Saints, and it's backed and produced by a St. Louis based non-profit.

Producer David Peterka joined First @ 4 Friday to talk about the film, which will be shown at the Tivoli on Sunday.

Watch the video player above for more information.

The film will be shown Sunday, July 13 at 12:30 p.m.

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