Prosecutor Andrzej Pozorski speaks during an interview with The Associated Press in Warsaw, Poland, Monday, March 13, 2017. Pozorski said that Poland will seek the arrest and extradition of a Minnesota man identified as a Nazi-era commander of an SS-led unit that burned Polish villages and killed civilians in World War II. The man has been exposed by the AP as 98-year-old Michael Karkoc.(AP Photo/Czarek Sokolowski)