@nbcnews: NBC News’ Dan Slepian reveals never-before-seen footage of prison violence at the hands of corrections officers in New York, and interviews the man who is finalizing a settlement agreement with the state over the alleged abuse. It shows a pattern going back at least a decade. In the last year alone, the state’s had two high-profile deaths in custody: Robert Brooks and Messiah Nantwi, both allegedly beaten by officers. Slepian also sits down with the Commissioner of New York State prisons and the father of Robert Brooks. Watch the full investigation at the link above.