The first trailer for Atom Egoyan's West Memphis Three drama Devil's Knot is now available.  The film stars Reese Witherspoon as the mother of one of the victims and Colin Firth as the private investigator who worked for the accused. Devil's Knot follows the true story of the case in which three teenagers were wrongfully charged with murdering three young boys in West Memphis, Arkansas in the 1990s.  You can read up on Matt's review of the film from TIFF here.

The film also stars Dane DeHaan, Mireille Enos, Bruce Greenwood, Elias Koteas, Stephen Moyer, Alessandro Nivola, and Amy Ryan.  Hit the jump to watch the trailer.

Watch the Devil's Knot trailer below (via Bleeding Cool):

Synopsis:

A haunting true mystery about the infamous killing of three children in a small Arkansas town. The police charge and convict three teens, aka the West Memphis Three, for committing the murders during an alleged satanic ritual, but a mother and investigator suspect that the truth may be even worse.