A 25-year-old died Sunday from injuries sustained in the mass shooting Published June 14, 2021 KXAN-TV Police made a second arrest Monday in a weekend shooting that killed a man and left more than a dozen more people wounded after gunfire rang out in a busy, downtown Austin, Texas, entertainment district. Officers arrested a 17-year-old boy at Harker Heights High School in Harker Heights, according to statements from Austin police and the Killeen Independent School District. He is facing a charge of aggravated assault. Download our mobile app for iOS or Android to get the latest breaking news and local stories. Austin police are working closely with the Killeen Independent School District and its police department in the investigation, according to a statement from the district.