Bijan Ghaisar's sisters say 'this isn't over' two years after killing by U.S. Park Police
Two years after U.S. Park Police shot and killed an unarmed man after a minor traffic accident, friends, family and lawmakers gathered on the anniversary of the shooting with renewed calls for accountability and answers.
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Bijan Ghaisar's sisters say 'this isn't over' two years after killing by U.S. Park Police
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