belt off for me. i didn t do nothing. go ahead and take your seat belt off. stop, stop! reporter: when university of cincinnati police officer ray tensing shot and killed sam due bows, the initial police report claimed the officer was dragged almost run over, officer tensing forced to shoot the driver. and listen to audio of officer tensing justifying the shooting just minutes after the incident. another officer even telling him, stop talking. i thought he was going to run me over. i dus charged one round, struck the mail in the head. i thought i was going to get run over, i got my hand in the car. stop, stop. reporter: but video appears to trikt his account. so much so, officer tensing was fired, now mace facing murder charges. get out of the car. reporter: another example, sandra bland, where dash cam