Anton Kirilov was a judge and friend of Niko Nissimov since their high school times. in 1942 Niko was drafted to serve as a pharmacist in the state’s hospital in Xanti, a territory newly annexed by Bulgaria.

By the summer of 1942, Bulgaria had a Commissariat for Jewish Affairs. It was headed by Alexander Belev, a notorious anti- Semite. He zealously implemented every Nazi order.
Soon after, Bulgaria allowed Nazi Germany to deport to the death camps all Bulgarian Jewish citizens living in other countries under Nazi occupation.
By early February, 1943, Bulgaria signed with Nazi Germany a top secret agreement:

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