On March 20, 1953, five black men robbed a meatpacking plant in Chicago s Union Stock Yards of $20,000. Their getaway went awry, and a security guard was shot and killed. Within a week, all five men were arrested. Four received jail sentences and were eventually paroled. The fifth, Paul Crump, then 22, confessed under questionable interrogation tactics, then retracted, only to ......