Wednesday : Motorcyclist says he turned on helmet lights after a bottle thrown from SUV . Clint Caldwell , a 32-year - old civilian , faces sexual assault and other charges . He and Wojciech Braszczok should be arraigned Wednesday , DA 's office says . Braszczok , an off - duty detective , is shown in a video breaking the SUV 's rear window .
NEW : Motorcyclist says he turned on helmet camera after seeing bottle thrown from SUV . Clint Caldwell , a 32-year-old civilian , faces gang assault and other charges . He and Wojciech Braszczok should be arraigned Wednesday , DA 's office says . Braszczok , an off-duty detective , is seen in a video breaking the SUV 's rear window .