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An American college student detained for two months in North Korea gave an emotional press conference Monday. 

June 13, 2017; Cincinnati, OH, USA; Otto Warmbier, a 22-year-old college student detained and imprisoned in North Korea is carried off of an airplane at Lunken Airport in Cincinnati. Warmbier has reportedly been in a coma for the past 15 months. Mandatory credit: Sam Greene/The Enquirer via USA TODAY NETWORK  *** Please Use Credit from Credit Field **
An American college student detained for two months in North Korea gave an emotional press conference Monday. 

June 13, 2017; Cincinnati, OH, USA; Otto Warmbier, a 22-year-old college student detained and imprisoned in North Korea is carried off of an airplane at Lunken Airport in Cincinnati. Warmbier has reportedly been in a coma for the past 15 months. Mandatory credit: Sam Greene/The Enquirer via USA TODAY NETWORK  *** Please Use Credit from Credit Field **

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Questions surround Warmbier's injuries

CNN's Brian Todd reports on the search for answers, among US officials, as to what happened to American student Otto Warmbier in North Korea.

Questions surround Warmbier's injuries

CNN's Brian Todd reports on the search for answers, among US officials, as to what happened to American student Otto Warmbier in North Korea.