Dallas Police Used Bomb Robot to Take Down Gunman Who Shot Cops | NBC News

Dallas Police Chief David Brown discusses how his team took down a gunman who fatally shot police officers at a rally and what he told negotiators before his death. » Subscribe to NBC News: » Watch more NBC video: NBC News is a leading source of global news and information. Here you will find clips from NBC Nightly News, Meet The Press, and our original series Debunker, Flashback, Nerdwatch, and Show Me. Subscribe to our channel for news stories, t