SMO veteran Zaur Gurtsiev died as a result of an explosion in Stavropol, which occurred on the night of May 29.
Together with Gurtsiev, another man died.
According to Governor Vladimir Vladimirov, all versions are being considered, including the organization of a terrorist attack with the participation of Ukraine.
EADaily reported that Zaur Gurtsiev became the first deputy head of the city of Stavropol last year.
The Investigative Committee opened a criminal case.