An SUV plowed into a crowd of people, killing five and injuring dozens, in Waukesha, Wisconsin. The suspect, 39-year-old Darrell Brooks, is in custody and facing homicide charges, authorities said. WATCH NIGHTLINE EPISODES: https://abc.go.com/shows/nightline ALSO AVAILABLE ON HULU: https://hulu.tv/2wSmSrZ #Nightline