
FILE - This undated file photo provided by the Burleigh County Sheriff's Department in Bismarck, N.D., shows Justin Cox-Sever, of Tempe, Ariz. Cox-Sever, a flight attendant from Arizona accused of making bogus bomb threats on two Skywest flights in 2015, pleaded guilty to four counts related to interfering with an aircraft on Thursday, June 1, 2017, in federal court in North Dakota. (Burleigh County Sheriff's Department via AP, File)
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