Off duty pilot allegedly tried to shut off engines: New details, WNT

Joseph David Emerson allegedly told officers he believed he was having a nervous breakdown and had not slept in the 40 hours before the incident, prosecutors say. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: WATCH WORLD NEWS TONIGHT ON HULU: , abcnews, worldnewstonight, pilot, planes, flying, josephdavidemerson