Mystery ‘ghost ship’ discovery puzzles Japan. Fisherman, defector or spy?

A lone body discovered on a cold Japanese beach and a shattered wooden boat coated in black tar have stirred memories of the “ghost ships” that in past winters drifted across to Japan from North Korea. The body washed ashore on Wednesday in Ishikawa prefecture, while a Japan Coast Guard vessel later recovered the capsized boat nearby, local media reported. Authorities have yet to identify the man and are investigating whether he was linked to the vessel, which bore Korean characters and numbers....