Reese Witherspoon and Colin Firth star in Devil's Knot, a gripping film based on the true story of the murder of three young boys in West Memphis, Ark. And the murder trial that shocked the nation. On DVD and Blu-ray this week, we have a new behind-the-scenes featurette that delves into the making of this real world drama.

Atom Egoyan's haunting true mystery about who killed three children in a small town. The police identify three teens, aka the West Memphis Three, as committing the murders during a satanic ritual but the truth may be scarier as a mother and investigator suspect all is not as it appears.