'The Vampire Diaries'' Kevin Williamson Sells Thriller to Fox

Fox is getting into the Kevin Williamson business.

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The mastermind behind the CW's sudsy adaptations, The Vampire Diaries and The Secret Circle, has sold an original hour-hour drama with a put pilot commitment to the network. Williamson will serve as writer and executive producer on the project.

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The thriller, from Williamson's Outerbanks Entertainment in association with Warner Bros. TV, centers on a diabolical serial killer who uses technology to create a cult of serial killers, and the FBI agent who finds himself in the middle of it.  

Williamson, whose other credits include Scream and Dawson's Creek, is repped by WME.