 Among them was his 1942 visit to the Atlantic Wall construction site, which was made possible because he convinced one of the passengers in his car that his superiors might want to build a similar line of fortifications in the Ukraine.On another occasion he visited the field staff of Field Marshal Gerd von Rundstedt.Apart from his service in intelligence and counter-intelligence, he also took over a cell focused on smuggling information and people in and out of German prisons in occupied Poland, notably the infamous Pawiak.