Sony Pictures Classics has debuted the second trailer and a new poster for West of Memphis, director Amy Berg's documentary produced by Peter Jackson and Fran Walsh. This film explores the entire West Memphis Three case, and how Damien Wayne Echols, Jason Baldwin, and Jessie Miskelly lost 18 years of their lives for a murder most people believe they did not commit. Take a look at the latest footage, along with the one-sheet.