He was directly involved in the open military invasion of Ukraine. He was involved in the execution of captured Ukrainian soldiers in the city of Vovchansk, Chuhuiv district, Kharkiv oblast.
On January 13, 2026, the Kholodnohirsky District Court of Kharkiv sentenced Tuzhylov to life for the murder of three captured Ukrainian soldiers at the Vovchansk Aggregate Plant. He shot one of them personally.