Why Wasn't Auschwitz Bombed?

Why Wasn't Auschwitz Bombed? http://www.air-photo.com/english/aushwitz.html
	Allied Bombing of Poland Monowitz 5 kilometres (3 miles) from Auschwitz bombed four times.
	Birkenau or Auschwitz Not Bombed No bomb craters as at Monowitz.
	Camp Bombing Not Ordered Pin-point bombing of cremation buildings was possible.
	Air Photo Interpreters In 1944, Auschwitz photos did not support murder claims.
	Did Allied and German Leaders Communicate? In 1944 Germans denied intentions to murder inmates, and ensured the Allies they would be evacuated!
	German Industrial Camouflage Attempt to mask possible bomb targets.
	Air-photo planes German and British planes used for air photo missions.
	Amiens Prison Precision Bombing Raid Plan to blow holes in walls to free French resistance members.
"It is imperative that action be taken to forestall the plot of the Nazis to exterminate the Jews of Europe!"	Allied Government Policies re: Auschwitz Investigating mass murder rumours given top priority.