Members of the Fundamentalist Mormon group were ambushed while driving in three vehicles, with authorities believing a drug cartel may be responsible. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/36EWBOQ WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-to... #WorldNewsTonight #DavidMuir #Mexico #FundamentalistMormonMembers