After the war, the 95-year-old Berger emigrated from Germany to Canada with his wife and daughter. He entered the United States in 1959 and was living in Tennessee. He maintained German citizenship while in Tennessee. However, his past became public after an index card documenting his camp service was found in a sunken ship. A US judge ordered him deported in March 2020 after he admitted he had prevented prisoners from fleeing the camp. He served as an armed guard at the Neuengamme Concentration Camp system near Meppen, Germany in 1945, but he also said he did not know prisoners had been badly treated and that some had died. He added that he was just following orders. Berger was flown to Germany Saturday and arrived in Frankfurt, where he will be questioned, the Celle prosecutor's office said. It was not immediately clear if he will be put on trial. Prosecutors in Germany dropped charges against Berger in December 2020, citing insufficient evidence. According to CNN, Berger still gets a wartime pension from Germany. The Washington Post gives more information. https://www.washingtonpost.com/national-security/nazi-deported-germany-camp/2021/02/20/725e9876-7329-11eb-93be-c10813e358a2_story.html