Hero dad describes split-second decision to defend against school shooter

Kaylub Giamanco, a father in Bend, Oregon, described how he reacted when he realized a shooting was underway at his daughters’ school. He said he made a split-second decision to confront the gunman and shot him dead. Giamanco recounted the incident in an interview with CBS Mornings, with CBS News correspondent Anna Schecter reporting on his account.