O’Donnell was only one of the graveyards. Later in the war those still alive were moved to labor camps in Japan where many more starved or were worked to death. Altogether about ten thousand Americans made the Death March: one thousand died. Another five thousand died later while in Japanese hands. Donald Knox, who conducted these interviews, is a television documentary producer based in Minneapolis. He reports that recalling these events—even thirty-five years later—was still so painful for many of the survivors that they would make him stop the tape recorder while they cried.