How Las Vegas’ trauma center helped hundreds of victims

Dozens remain critically injured after a gunman’s assault in Las Vegas killed 59 people on Sunday night. Investigators are still trying to understand the motives of the 64-year-old gunman who stationed himself and at least 23 firearms in a room at the Mandalay Bay hotel to fire into a crowd of concertgoers. Cat Wise reports on the investigation and how hospitals are caring for the wounded.