Scandal's Scott Foley on how to play a convincing serial killer

By Baraka Kaseko, Marah Eakin | December 6, 2017 | 3:45pm

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In his new Investigation Discovery true crime movie Final Vision, Scott Foley plays Jeffrey MacDonald, better known as the Green Beret Killer, a man convicted of murdering his pregnant wife and two daughters in 1970. In the video above, Foley talks about what is takes to play a convincing serial killer.