Master of Cruelty

The rector of the Ministry of Internal Affairs Academy handed over an original leather key holder with a distinct pattern to detectives Guryev and Krychko. He claimed that the pattern on the key holder was a fragment of tattooed skin from his recently missing son… Could someone be involved in such a bloody business? The detectives establish the address of a certain master offering similar services and place a test order. What they discovered later would astonish seasoned operatives with its unprecedented cruelty… Nikolai Leonov, a former investigator of the MUR, knew from experience how the most intricate criminal cases are solved. The classic series 'Black Cat' consists of over 200 books, with print runs in the tens of millions of copies.