When shooting began on Amy Berg's documentary, the West Memphis Three were inmates with no hope of release. Peter Jackson's involvement in the film and the trio's defense, and the release of the men during the project, caught many by surprise.One might assume that a story already covered by a trilogy of documentaries, numerous books, countless articles and with a trail of celebrity supporters including Johnny Depp, Eddie Vedder and Natalie Maines had already earned enough attention.