A shots fired call at the University of Arizona have police scrambling for a suspected shooter. According to Sergeant Filbert Barrera with the UAPD, someone called police claiming to hear three gun shots followed by a person screaming near the Thomas W. Keating Bioresearch building. Police swept the
area and discovered shell casings and blood, but no victim. A call out to local hospitals for possible gunshot victims turned up empty. Surveillance cameras in the area show a man about five-ten wearing a Chicago Bulls hat, and carrying a tan backpack.