This undated publicity photo released by Sony Pictures Classics shows Pam Hicks in the documentary film, "West of Memphis." (AP Photo/Sony Pictures Classics, Olivia Fougeirol)
This undated publicity photo released by Sony Pictures Classics shows a billboard for the West Memphis 3 tip line from the documentary film, "West of Memphis." (AP Photo/Sony Pictures Classics, Olivia Fougeirol)
This undated publicity photo released by Sony Pictures Classics shows Henry Rollins, left, and director Amy Berg in the documentary film, "West of Memphis." (AP Photo/Sony Pictures Classics, Olivia Fougeirol)
This undated publicity photo released by Sony Pictures Classics shows Damien Echols in the documentary film, "West of Memphis." (AP Photo/Sony Pictures Classics, Jeff Dailey)
This undated publicity photo released by Sony Pictures Classics shows Lorri Davis, left, and Damien Echols in the documentary film, "West of Memphis." (AP Photo/Sony Pictures Classics, Olivia Fougeiral)
Peter Jackson owns the box office right now with “The Hobbit: an Unexpected Journey,” part one of his “Lord of the Rings” prelude. With the magnificent documentary “West of Memphis,” Jackson reveals the results of his own unexpected journey, from New Zealand to rural Arkansas, …