Ivan Skorkin, who is the suspect in the murder of an Armenian and a Kyrgyz in Moscow, was twice convicted before, RIA Novosti news agency of Russia reported citing a law enforcement source.

The source informed that Skorkin, who lives in the Russian capital city, was convicted in 2005 and in 2008 for robbery.

As reported earlier, a murder took place Friday nearby a Moscow subway station. The attacker inflicted fatal stab wounds to Lyova Kamalyan, 69, from Armenia, and Nurik Munduzov, 36, from Kyrgyzstan. Another person, Aleksandr, 29, was wounded in the arm.

The attack was carried out by drunken skinheads, and on grounds of national intolerance, reported Moskovskiy Komsomolets, a newspaper based in the Russian capital city. 

Police have detained the murder suspect.

A criminal case has been launched into this murder.