Jasenovac concentration camp
The Ustaše interned, tortured and executed men, women and children in Jasenovac. The largest number of victims were Serbs, but other victims included Jews, Bosnian Muslims, Gypsies, and Croatian resistance members opposed to the ISC regime.  When they got to the camp, the prisoners were marked with colors: blue for Serbs, and red for "communists" (non-Serbian resistance members).  Gypsies had no marks (this was later changed).