Here's something you might enjoy
Many years ago I followed the career of Bo Gritz, even met him once and have his remarkable book "Called to Serve" and I highly recommend it. Get a copy off Ebay or Alibris, etc....
You might want to read his testimony here as he was the ONE who went over there looking for them..
(By the way, this should be over on Off Topic.
Putting it here on Flame means you expect flames instead of discussion.)
His testimony is <here.>