During a groundbreaking 1994 investigation, ABC news producer Harry Phillips dove headfirst into Buenos Aires' archives and uncovered the hidden lives of Nazi war criminals who had fled to Argentina. The pursuit led them to Reinhard Kopps, who had cleverly masked his identity, and then astonishingly to one of the Gestapo's most brutal officers, Eric Priebke. Let us dive into the video to follow the intense search and unravel the mysteries...