The U.S. Justice Department's elite Office of Special Investigations for now is keeping close watch on an old adversary, one of the country's last and most infamous accused Nazi war criminals, one-time concentration camp guard John Demjanjuk, 89, of Seven Hills, Ohio, The Washington Post reported.
Demjanjuk has been returned to Germany to face criminal charges.
He has outlasted a generation of U.S. lawyers trying to bring him to trial, the Post says. His deportation was sought for decades for allegedly lying about his role as a guard in the Holocaust.
Current and former OSI employees say the unit is racing to extradite the few elderly Nazis still living in the United States.
Since the OSI began operations in 1979, it has won deportation orders against 107 people and prevented 180 more from entering the United States through its watch list.