According to the head of the state's Public Safety Department, the policeman shot the 25 year-old student, Mohamed Ahmed Al Hashemi, because he was roaming the street after knocking down a traffic sign, which led the officers to tackle and shoot him on the spot. Trooper Injured in Trooper-Involved Shooting https://t.co/YCsaOZFIek #AZDPSNews pic.twitter.com/KDJeLnvYHZ — Dept. Public Safety (@Arizona_DPS) December 20, 2019 The 25-year-old student knocked down a traffic sign onto ...