For years, hundreds of North Korean fishing boats have been washing up on the shores of Japan with dead fishermen in them. How and why the boats ended up there was a mystery. A NBC News investigation may have the answer: China is sending a previously invisible armada of industrial boats to illegally fish in North Korean waters, violently displacing smaller North Korean boats.
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''Ghost Boats': How A Secret Chinese Fishing Fleet Is Killing North Korean Fishermen | NBC News