The Last Word with Lawrence O'Donnell 10/02/17

Las Vegas mass shooting survivor: 'We were the lucky ones'

Buzz Brainard, a survivor of the Route 91 music festival shooting in Las Vegas, gives Lawrence O'Donnell a harrowing account of how he and his son hid underneath a tour bus to shield themselves from gunfire during the deadliest mass shooting in modern history. ... more Duration: {{video.duration.momentjs}}