In the 1990s, he worked as a senior investigator for important cases… (мартышина · следователь · особо)

In the 1990s, he worked as a senior investigator for important cases at the Prosecutor's Office of the Komi Republic and in 1993 successfully solved the high-profile murder of the head of the Vorka Shorska mine section, his wife, and two children. Later, Martysin became a senior investigator for important cases at the General Prosecutor's Office of Russia.

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