5 men arrested in Thailand are being flown to the United States , CNN has learned . They are accused of trafficking North Korean drugs , a source says . The arrests come as U.S. and South Korea have been engaged in an increasingly tense standoff over their disputed maritime border. North Korea has been producing drugs since the 1980s , report says .
5 men arrested in Thailand are being flown to the United States , CNN has learned . They are accused of trafficking North Korean drugs , a source says . The arrests are part of a broader investigation made public in September . North Korea has been producing drugs since the 1980s , report says .