National Geographic - Nazi Hunter's: Gestapo Chief (2011)

As Gestapo chief in Paris, Kurt Lischka was responsible for deporting 73,000 Jews and ordering the largest mass arrest in French history. Instead of serving time for his crimes after the war, a legal loophole allowed him to live openly in West Germany enraging Serge and Beate Klarsfeld, a husband-and-wife team of Nazi Hunters. Determined to bring him to justice, they plan a kidnapping that lands Beate in jail.