Support WBURLas Vegas Police Release Bodycam Footage; ATF Says Gunman Had 'Bump-Fire' StocksLaurel WamsleyOctober 03, 2017 SharePolice tape blocks off part of Las Vegas Blvd. on Tuesday near the scene of a massacre at a country music festival in Las Vegas. Twelve devices known as bump stocks were found in the gunman's room. (Getty Images)
