Federal prosecutors have charged off-duty Alaska Airlines pilot Joseph Emerson, 44, with one count of interfering with flight crew members and attendants, as well as 83 counts of attempted murder and reckless endangerment. Emerson admitted to not sleeping for 40 hours and using psychedelic mushrooms prior to the incident, and allegedly told responding officers he had "tried to kill everybody." Emerson is currently being held in the Multnomah County Jail and is scheduled to appear in federal court on Wednesday.