According to FBI Special Agent Melvin Purvis, "Most of the top ... Gang warfare reached its climax in the St. Valentine's Day Massacre. On February 14, 1929, seven men were killed in a Chicago ...
FOX 32 Chicago on MSN4d
Former Chicago top cop weighs in on how policy changes have shaped crime fightingA recent discussion between former Chicago law enforcement officials shed light on the origins of real-time crime centers, ...
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