![The North Korean national flag flutters at half mast at the North Korea embassy in Singapore on December 20, 2011. North Korean leader Kim Jong-Il has died aged 69 of a heart attack, state media announced, plunging the nuclear-armed and deeply isolated nation into a second dynastic succession. AFP PHOTO / SIMIN WANG (Photo credit should read SIMIN WANG/AFP/Getty Images)](https://media.cnn.com/api/v1/images/stellar/prod/170613154614-north-korea-flag.jpg?q=x_0,y_435,h_1406,w_2500,c_crop/w_1280)
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Why does North Korea detain some US citizens?
North Korea has detained a number of US citizens in recent years. CNN's Ivan Watson looks at why.
01:17
- Source:
CNN
Ex-North Korea detainee Otto Warmbier
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