Dolzaev claimed to be a member of the Chechen National Congress, but it is uncertain whether this is true or not. Similarly, Dolzaev was also rumored to have been an insurgent around the time of Chechnya's attempted declaration of independence from Russia, as well as a leader of one of the rebel factions. However, like his ethnicity, this was disputed.
As a terrorist, Dolzaev was responsible for the subway bombings in St. Petersburg in 2015, as well as a bombing in Georgia in 2017, and a military coup in Abkhazia in 2018. Because of his involvement in these terrorist attacks, he was wanted under international law.
Dolzaev seemed to at least have some understanding of French, as evidenced by his reaction when he heard Mistral's last words in French. Also, despite drawing a gun at Mistral, he still seemed to care about her and was angered at Raiden for killing her. Mistral also seemed to consider Dolzaev a "crusty old bear."