In late January 1942, Bureau III of the Ustaša Security Police (Ustaška nadzorna služba, UNS) founded Jasenovac IV as a concentration camp dedicated to leather production. It was located within the town of Jasenovac, which is 100 kilometers (62 miles) southeast of Zagreb. Officially named the “Labor Service of the Ustaša Defense Detention Camp No. IV” (Radna služba Ustaške obrane sabirni logor Br. IV), Jasenovac IV was more commonly referred to as “Leatherworks” (Kožara). It was the smallest and most highly specialized of the five Jasenovac concentration camps. The camp included tanning and leather processing plants, storage facilities, two buildings that housed prisoners, and offices for camp administrators. High barbed-wire fences and guard towers surrounded the camp. A few roads permitted transit through the camp under heavy guard. Overseeing Jasenovac IV was the Central Command Post for all Jasenovac Assembly Camps (Zapovjedništvo sabirnih logora Jasenovac), based in Jasenovac a...