Paradise Lost 3: Purgatory

A further investigation into the arrest of three teenagers convicted of killing three young boys in Arkansas who spent nearly 20 years in prison before being released after new DNA evidence indicated they may be innocent.

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'Paradise Lost': How West Memphis Three Film Influenced True-Crime Docs

How 'Paradise Lost' laid the groundwork for today's true-crime-doc boom – and why, 20 years later, it's still as vital and timely as ever.