his book "the coverup at omaha beach" chronicles how -- the map. >> it contained a very detailed area. the area was marked with a cross hatching somebody had put in with a pencil or pen. >> you came here and there was nothing here? >> nothing here apart from rolling countryside. >> these guns were active. >> absolutely. >> until the rangers got here on the 9th of june, they were firing on the allies. >> just a few miles from pointe