How did Shaka Senghor, sentenced to nineteen years in a Michigan prison for murder, make his prison gang the tightest, most ferocious group in the yard—and then transform it into something else entirely? How did culture turn him into a killer? How did he rise to dominate that culture? How did he take a group of outcasts and turn them into a cohesive team? Finally, how did he recognize what he disliked about his regime, and, by changing himself, change the entire prison culture?