Some posters have asserted that Christians were not involved as perps in the Holocaust. I know for a fact that some Catholics were genuine Christians because they lay down their lives to save the least of Yeshua of Nazareth's brethren during the Holocaust. Jews may have thought others (soldiers and civilians of many different nations)were Christians because they were baptized into a church, attended church, subscribed to the divinity of Christ, or otherwise claimed the name. There are even terrorists and their enablers in the Arabic speaking towns and villages that meet your criteria. I didn't know if your definition was based on behavior or subscription. There are quite a few definitions depending on whom you ask or read.