BROWNSVILLE, Texas – Brownsville Police is looking for the whereabouts of 21-year-old Sergio Raul Garza. He has an active arrest warrant for an assault that occurred on Feb. 7, 2019. Anyone with information to the whereabouts of Sergio Raul Garza is asked to contact the Brownsville Crime Stoppers at (956) 546-TIPS (8477). The information you provide could earn you a cash reward. All calls will remain anonymous.