Most of them had not fired a shot in anger or ever been fired on, much less lost comrades fighting at their side. Thus, wartime brutalization through prior combat was not an immediate experience directly influencing the policemen’s behavior at Józefów. Once the killing began, however, the men became increasingly brutalized. As in combat, the horrors of the initial encounter eventually became routine, and the killing became progressively easier. In this sense, brutalization was not the cause but the effect of these men’s behavior.