Exercise with Three Unknowns

Running 2h 8m and made in Soviet Union, Exercise with Three Unknowns (1979) is a Crime and Mystery film in the 123movies catalog. The cast includes Leonhard Merzin and Vladimir Gerasimov; Boris Shadurskiy directs. 4 votes put it at 7.2/10. Criminal investigation is investigating the case of robbery of the factory cashier. At the checkpoint of the factory of precision mechanics and optics, two criminals attack the cashier. Criminals manage to escape by the car, waiting for them around the corner. At the scene of the crime, criminal investigation officers arrive Major Dorokhov and Lieutenant Matushkin. They interview witnesses, but they did not remember properly any attackers or machine numbers, but noticed that one prevented the other from firing.