A man fatally shot three people after he allegedly set fire to multiple residences to lure the victims outside in a southwest Houston neighborhood, police said. SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP WATCH MORE on http://abcnews.go.com/ LIKE ABC News on FACEBOOK: https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #abcnews