Yuri Denisov published posters on social networks with swastikas and symbols of the terrorist organization "Azov" *. According to him, Denisov was distinguished by pro-Ukrainian views, and in 2014 he moved from Snizhne (DPR) to Mariupol.

The terrorist attack, as a result of which Vladlen Tatarsky was killed, occurred on April 2 in the cafe "Street Bar" on the University Embankment in the city center.