He was involved in extortion rackets across the former Soviet Union, including Siberia and Uzbekistan. He in fact served eight different jail sentences throughout his life for extortion.
In 2007 Ûsoyan was involved in a gang war with a Georgian mobster named Tariel Oniani and several of his top lieutenants were killed. A meeting of several major crime bosses to settle the conflict was raided by the police, but Ûsoyan was not arrested. Another mafia boss named Vyacheslav Ivankov was brought in to mediate the conflict and sided with Ûsoyan, but was shot and killed in Moscow while leaving a restaurant.
In April 2010, Ûsoyan was arrested for trying to enter Ukraine with false documents and deported back to Russia.
On 16 January 2013 he was shot in the head by a sniper and died on the way to the hospital.