and two monuments men, officers, were killed; an american and a british major, ronald balfour. so, i mean, these were scholars putting their lives on the line and in some cases, both cases they were killed actually trying to rescue property that was in the harm's way. this treasure hunt of where these came from all these different sources, but as the war was ending, there was still a lot of questions, where is all the loot, who is involved in taking the loot, things that we know now from the work by nancy and others but at the time we didn't. and the latter part of the war, the office of strategic services created something called the art looting investigation unit. it was staffed by monuments men such as lane faison. so, michael, can you tell us about the unit, where they operated, what they did and what they produced. >>. i'll try to do it not in a day or in a book. [laughter] it's really amazing how much is owed sometimes to a very small group. this was just ten individuals. three of them were principal investigators art historians, theodore russo from the national gallery,