Packed a dozen to a small cell, inmates sleep in bunks stacked four-high to the ceiling, or on thin mattresses on floors where rats and cockroaches scurry. Newcomers spend their nights in bathrooms reeking of excrement. Inmates in scores of prisons spread across Brazil’s most populous state cook on camp stoves using beans, rice and soup brought by wives and girlfriends on weekend visits. The smell of marijuana wafts through the air, along with the occasional muffled ring of a smuggled cell phone. Full Story