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STILLWATER, OK - OCTOBER 24: Police stand over the car that was involved after a suspected drunk driver crashed into a crowd of spectators during the Oklahoma State University homecoming parade near the Boone Pickens Stadium on October 24, 2015 in Stillwater, Oklahoma. The car slammed into a crowd, killing three and injuring at least 22 before the Kansas Oklahoma State football game. (Photo by J Pat Carter/Getty Images)

STILLWATER, OK - OCTOBER 24:  Police stand over the car that was involved after a suspected drunk driver crashed into a crowd of spectators during the Oklahoma State University homecoming parade near the Boone Pickens Stadium on October 24, 2015 in Stillwater, Oklahoma. The car slammed into a crowd, killing three and injuring at least 22 before the Kansas Oklahoma State football game.  (Photo by J Pat Carter/Getty Images)