Investigators from the National Transportation Safety Board say Continental Flight 3407 was on autopilot before it crashed in icy weather near Buffalo, New York on Thursday. Among those who died was Alison Des Forges, one of the world’s foremost experts on Rwanda. In May of 1994, a few weeks into the killings of Tutsis in Rwanda, she was among the first voices calling for the killings to be declared a genocide. In 1999, she wrote what is considered an authoritative account of the Rwandan genocide called Leave None to Tell the Story: Genocide in Rwanda. We speak to Kenneth Roth of Human Rights Watch. [includes rush transcript]