Conrad Hughes Hilton III was arrested after causing a disturbance on board a Hilton 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 .
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 .