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The detectives investigate when a man claims that his current house guest has been robbing gas stations and slashing the attendants. In another case, Diane (Kim Delaney) and Jill (Andrea Thompson) go after a band of gypsies who've been scamming elderly people. But the episode's biggest development (and the one that will mold the direction of the rest of NYPD Blue's seventh season) occurs when Diane again crosses paths with disingenuous drug task-force officer Denby (Scott Cohen) -- whom she sees conversing with a man who looks exactly like Jill's deceased ex-husband, drug trafficker Don Kirkendall.