Derek Chauvin has been identified as the police officer with his knee on George Floyd's neck in the video that has triggered outrage around the country. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3gE1lJw WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://hulu.tv/33iKepm #WorldNewsTonight #GeorgeFloyd #DerekChauvin