More, including a nice picture of him and Basayev, at the link.A message circulated among jihadist e-groups on February 22, 2005 provides information about the martyrdom of Abu Omar al-Kuwaiti in Chechnya and his ties to al-Qaeda. A leader of military operations in Chechnya and an associate of Chechen commander, Shamel Basayev, Abu Omar, according to the message, trained in Afghanistan at the al-Qaeda training camp, al-Farooq and later fought in both Bosnia and Chechnya.
The message claims that Abu Omar led the terrorist attack on the Ministry of the Interior in Ingueshetia in the summer of 2004 as well as the Beslan School attack of September 2004.