Conrad Hughes Hilton III was arrested after causing a disturbance on board a British Airways flight from London to LA last July . Passenger Patricia Mitchell says the hotel heir smoked marijuana in a bathroom and was threatening to the crew . The Los Angeles Times reports that he had been drinking at dinner with his wife and two children when he became angry over being asked to leave their cabin. He is due back in court for sentencing on Thursday .
Conrad Hughes Hilton III was arrested after causing a disturbance on board a British Airways flight from London to LA last July . Passenger Patricia Mitchell says the hotel heir smoked marijuana in a bathroom and was threatening to the crew . Last week , the 21-year-old struck a plea deal with prosecutors to downgrade the charges to simple assault . He is due back in court for sentencing on Thursday .