The documentation of the Holocaust is vast, but there are virtually no images of a Jewish family at the actual moment of murder. A Ukrainian shooter's rifle is inches from a woman's head, obscured in a cloud of smoke. The woman is bending forward, holding the hand of a barefoot boy. And--only one of the shocking revelations of Wendy Lower's brilliant ten-year investigation of this image--the shins of another child, slipping from the woman's lap. The gripping detective work recovers astonishing layers of detail concerning the open-air massacres in Ukraine. The identities of the victims, of the killers--and, remarkably, of the photographer who openly took the picture, as a secret act of resistance--are dramatically uncovered