Nightly News | September 28, 2010
BRIAN WILLIAMS, anchor: Some terrifying moments at the University of Texas in Austin . A 19 -year-old sophomore wearing a ski mask fired multiple shots from an AK-47 before running into a library, turning the gun on himself and taking his own life. Police there identified the gunman as Colton Tooley , said to be a math major who lived off campus. University went into full lockdown while the buildings were all searched. No one else was hurt, and university officials said their emergency plan, including a text messaging system, worked