Ujiri did have credentials out; he was seen on the video tucking his badge into his suit pocket. He was thrilled and he was trying to rush down to congratulate his victorious team. But Strickland tried to stop him, putting out his arm to block his path. Strickland is seen in the high-definition security video pushing Ujiri in the chest, as an onlooker grabs at the deputy’s shoulder to calm him down. Strickland pushes him a second time.