Otto Frederick Warmbier (December 12, 1994 – June 19, 2017) was an American college student who was imprisoned in North Korea in 2016 on a charge of subversion. In June 2017, he was released by North Korea in a vegetative state and died soon after his parents requested his feeding tube be removed.
Warmbier entered North Korea as part of a guided tour group on December 29, 2015. On January 2, 2016, he was arrested at Pyongyang International Airport while awaiting departure from the country.