hypothetically speaking  if the third reich returned tomorrow and controlled the world, how would they handle the so-called final solution with modern technology and knowledge? > dna test everyone?  (invasive, could be used to develop bioweapons, but possibly effective) > pull synagogue records (will be hidden, falsified, and somewhat incomplete) > visual indicators (maybe good for a first pass before a more thorough filtering is done on the smaller portion of suspected jews) ideas?
Japan