Answer the following Q with stream of consciousness. The first television advertisement, "Stop a Crime", debuted in February 1980. The full 60 second advertisement features McGruff (voiced by Jack Keil) entering an unlocked house and telling the viewer, "All crime needs is a chance. Do n't give it a chance" before giving tips on preventative measures. These measure included locking doors, turning on exterior lights, securing windows, asking neighbors to watch the house during long absences, and putting lights on timers.\n\nWho does the voice of mcgruff the dog?
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The relevant sentence in the passage is: The full 60 second advertisement features McGruff (voiced by Jack Keil) entering an unlocked house and telling the viewer, "All crime needs is a chance. Therefore, the final answer is Jack Keil.
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