The University of Virginia student had been held in North Korea for 17 months for trying to steal a propaganda poster while on a trip to the country.
Feb. 29, 2016 University of Virginia student Otto Warmbier speaks as he is presented to reporters in Pyongyang, North Korea, on Feb. 29, 2016. He was sentenced to 15 years in prison with hard labor. Kim Kwang Hyon/Associated Press