Few people know better than Clarence Chance and Benjamin Powell just how slowly the wheels of justice can turn. After serving 17 years for the murder of a Los Angeles County sheriff's deputy, Chance, 42, and Powell, 44, were set free last week when a superior court judge found that there had been improper police conduct in the investigation of the killing.
The two men owe their freedom to new evidence unearthed by Jim McCloskey, a New Jersey independent investigator who took the case after receiving a letter from Chance claiming that he had been wrongly convicted. His alibi: he was...