Blake was shot seven times in the back by a police officer in front of his family. A teen from out of state allegedly killed two people at a demonstration for Blake, and injured a third person. WATCH NIGHTLINE EPISODES: https://abc.go.com/shows/nightline ALSO AVAILABLE ON HULU: https://hulu.tv/2wSmSrZ #Nightline #JacobBlake #BLM #BlackLivesMatter #racism #police #shooting