After working with the Lawyers Committee , Haugen began a career with the United States Department of Justice . In 1994 , Haugen was put on loan from the Department of Justice to the United Nation 's Center for Human Rights to serve as Officer In Charge of its genocide investigation in Rwanda . In this capacity , Haugen directed an international team of lawyers in the gathering of evidence against the perpetrators of the Rwandan genocide . Haugen developed the investigative strategy , protocols and field methodology for gathering eye-witness testimony and physical evidence from nearly 100 mass grave and massacre sites across Rwanda . Haugen personally conducted and directed field investigations at various sites
Rwandan genocide
Rwandan genocide
Gary Haugen