Barayev was reported killed by either Russian or pro-Russian forces during the Second Chechen War in June 2001 ; according to the reports from the republic , prior to this moment he has been semi-openly collaborating with the federal forces and living freely in Chechnya under protection of the FSB . In August 2002 , Russian military officials announced the arrest of a man named Khusein Idiyev , described by them as a prominent member of Barayev 's group , suspected of involvement in the 1998 killings . In December 2004 , members of the Chechen OMON special police summarily executed Isa Sakayev , allegedly a former associate of Barayev suspected to have been directly involved in the killings . In April 2005 , Russian security forces said they had captured Adam Dzhabrailov , a Chechen man whom they said has confessed to have participated in the atrocity ( according to the Russian military spokesman , Dzhabrailov was also suspected of involvement in the 1996 killings at the ICRC hospital of Novye Atagi and in the 2002 Moscow theater hostage crisis ) ; in remarks broadcast on Russian TV , Dzhabrailov said that " Arbi Barayev shot them dead " ( however , according to the British inquest , the victims were not shot )
Moscow theater hostage crisis
Moscow theater hostage crisis
1998 abduction of foreign engineers in Chechnya