Parkland shooting: Video shows officer outside during massacre

Security video shows a Florida sheriff's deputy go toward the high school building while a gunman massacred 17 students and staff members, but he stayed outside with his handgun drawn.The Broward County Sheriff's Office released the video Thursday showing Deputy Scot Peterson's actions during the Feb. 14 shooting. It shows him and a staff member rushing toward the building in a cart. He pulls his weapon and takes up a position outside the building. During much of the shooting, the camera's view