Researchers at the U.S. Holocaust Memorial Museum are documenting for the first time the scale of the horror that radiated from Germany in the 1940s, and have uncovered that there were far more slave labor camps and other detention centers than previously known. Researches have identified 42,500 camps, reaching from France to Russia, where Jews and other persecuted groups were held for slave labor to fuel the Nazi army and where pregnant women were forced to have abortions and have sex with German military personnel. But the sheer number of sites shocked Holocaust researchers, who at first didn’t believe their ears. “The numbers are just so much higher than we originally thought,” the institute’s director said.