Black Heart. Sorokin G.G.

1983. In the educational audience of one of the Siberian technical schools, a dead student from the Congo was discovered. In order to avoid the international scandal, the investigation is in a hurry to make an official conclusion: death from a heart attack. At the same time, the leadership of the Department of Internal Affairs secretly instructs Lieutenant Andrei Laptev to figure out what happened.

The detective finds out that the death of the African came from an electric shock. But the strangest thing: at the crime scene, a Voodoo doll with a pierced needle “heart” was discovered. What is this a secret ritual of angry fellow tribesmen or someone's skilled rally? Laptev plunges into the student atmosphere and learns the frightening details of the cruel crime...