In 1951 he ended up in the 10th Department, where he was one of the leading officers. The 10th Department was responsible for handling the Party members themselves. He received orders personally from the First Secretary of the Polish United Workers' Party Bolesław Bierut, and arrested such notable people as politicians Władysław Gomułka and Marian Spychalski, General Michał Rola-Żymierski, and Cardinal Stefan Wyszyński.
By 1951, he was stationed in the 10th Department, where he held a high-ranking position. The department oversaw Party members themselves. He received personal orders from Bolesław Bierut, the First Secretary of the Polish United Workers' Party, and arrested notable individuals including politicians Władysław Gomułka and Marian Spychalski, General Michał Rola-Żymierski, and Cardinal Stefan Wyszyński.