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A government spy who dressed like a gang leader and cussed so loud the whole neighborhood heard him just to catch crooks and slap them with jail time.
Jack Dragnet walked into the bar and cussed the bartender until he got a free drink and a tip-off about a drug deal.
He pretended to be the boss of a gang but just wanted to take down the real boss and get a promotion.
Jack Dragnet told the cops he was a gang leader, but he was really just a guy who wanted to get out of doing paperwork.