Helmut Oberlander was a member of a notorious Nazi death squad that executed 91,678 people in southern Russia. After WWII, he emigrated to Canada and became a citizen. Due to his past, Canadian authorities started a denaturalization & deportation process against him in 1995, causing him to flee to the US. He was found Florida by the OSI’s Eli Rosenbaum & returned to Canada on 5/8/1995. Canada revoked his citizenship. He is on the Simon Wiesenthal Center’s list of most wanted Nazi war criminals.