Originally a police officer based in Dagestan in southern Russia, Bairambekov moved to Verkhnyaya Pyshma, 1448km east of Moscow, where the killings took place in 2014.
The former officer is also facing charges for two contact killings carried out on businessmen in 2002 and 2010 and for the illegal circulation of firearms.
According to the Investigative Committee of Russia, Bairambekov underwent three psychiatric evaluations and was deemed fit to stand trial.
In unconfirmed reports from Russian media outlets, Bairambekov had a female accomplice who is being investigated separately, according to The Times.
The newspaper also reveals he has struck a plea deal with police officers to serve no more than 12 years if found guilty.
The rise of Satanism in Russia is deemed 'a greater threat to national security than Islamist extremism' by the Russian interior ministry, who made the claim in 2008 according to The Times.
The newspaper also reveals that in 2010 a 'satanic cult' in Saransk allegedly encouraged members to join the police force.