Fr Daniil Sysoev was a married Russian Orthodox priest, the rector of St. Thomas' church in southern Moscow and a noted missionary. He was killed in the church by a masked gunman on November 19, 2009. Fr Daniil Sysoev was known for his missionary activity, including among Russia's Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

 community, neo-Pagans, and Protestants. In December 2009, Fr. Daniil's killing was claimed by a militant Islamic group based in the North Caucasus

North Caucasus

The North Caucasus is the northern part of the Caucasus region between the Black and Caspian Seas and within European Russia. The term is also used as a synonym for the North Caucasus economic region of Russia....

. According to a statement made by Russian Islamists and released on kavkazcentre.com,

"One of our brothers who has never been to the Caucases took up the oath of (former independent Chechen president Doku Umarov

Doku Umarov

Doku Khamatovich Umarov is a major Chechen Islamist rebel militant in Russia. He is responsible for numerous terror attacks on civilians, earning himself the nickname "Russia's Osama Bin Laden"....

) and expressed his desire to execute the damned Sysoyev"