FILE- In this May 22, 1990, file photo, Michael Karkoc whom The Associated Press identified as a former commander in an SS-led unit stands in Lauderdale, Minn. Poland will seek the arrest and extradition of Karkoc, a Minnesota man, after confirming he was a Nazi unit commander suspected of ordering the killing of 44 Poles during World War II, a prosecutor said Monday, March 13, 2017. (Chris Polydoroff/Pioneer Press via AP, File)