The son of a high-ranking North Korean official is suspected of committing serial murders around the world, and is chased by South Korea, North Korea and Interpol.The son of a high-ranking North Korean official is suspected of committing serial murders around the world, and is chased by South Korea, North Korea and Interpol.The son of a high-ranking North Korean official is suspected of committing serial murders around the world, and is chased by South Korea, North Korea and Interpol.