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Gangs Behind Bars

Survival in the jail often comes down to reputation and intimidation. That's where the Gang Special Investigations Unit (GSIU) ' the administration's detectives who monitor gangs and disrupt their programs ' steps in. But sometimes threats slip through the cracks, and for the head of GSIU, Sergeant Rocco Lepore, it's a constant struggle to prevent underlying tensions from boiling over into an all-out riot.