Abe was hardly the most anti-China or anti-North Korea MP, and he was no longer prime minister for years anyway. Not only would China or North Korea not get an

Abe was hardly the most anti-China or anti-North Korea MP, and he was no longer prime minister for years anyway. Not only would China or North Korea not get anything out of assassinating him, if they were discovered to have done so this would make Japan even more anti-China and anti-North Korea. So this theory doesn't really seem that likely.