South Korea warns its 23,000 students in Canada: smoke weed and we will imprison you

If you're a citizen of South Korea, you're expected to obey the laws of that country even when you aren't in the country. That means any South Korean citizen who smokes perfectly legal pot in Canada could return home and receive a five year prison sentence.
From Korea Times:

Yoon Se-jin, head of the Narcotics Crime Investigation Division at Gyeonggi Nambu Provincial Police Agency, warned earlier this week that smoking pot is treated as a serious offense here and Korean smokers, subject to the laws of their country, could face up to five years in prison.
'Weed smokers will be punished according to the Korean law, even if they did so in countries where smoking marijuana is legal. There won't be an exception,' he said.
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