 Moscow's mayor Yuri Luzhkov reported speculation that the bomber had intended to target the nearby Moscow City Hall or State Duma instead.According to the investigation, the suicide bomber was identified as Khadishat (in other sources - Khedizhi) Mangerieva, a widow of a Chechen rebel commander of Kurchaloyevsky District, Ruslan Mangeriev, who was killed during the Second Chechen War.One of the victims, Inga (Inna) Gizoeva, was suspected to be a helper of Mangerieva.