WATCH: Police have released new surveillance footage from the Twin Falls, Idaho, shooting that left three people dead and seven injured. The gunman later died f

WATCH: Police have released new surveillance footage from the Twin Falls, Idaho, shooting that left three people dead and seven injured. The gunman later died from a self-inflicted gunshot wound. [▻](https://video.twimg.com/amplify_video/2085798922887319552/vid/avc1/1280x720/_qztlyn8fLD5QCKT.mp4)