Gun Violence: At least 8 people killed by gunman at Texas mall; shooter killed by police

A gunman shot and killed eight people and wounded at least seven others at a busy mall north of Dallas on Saturday (May 6), police said. The gunman, whom authorities said they think acted alone and whose motive was not yet known, was killed by a police officer after he began firing outside of the Allen Premium Outlets mall in Allen, Texas, the city's police chief Brian Harvey said at a press conference.