Former NYPD Chief of Detectives Robert Boyce weighs in on string of seemingly unprovoked shootings in the U.S.https://abcn.ws/3AsYwGh SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP Latest updates: http://abcnews.go.com/ Watch FULL EPISODES on Hulu: http://abcn.ws/3bzvQQn #news #texas #gunviolence #abcnews