By October 2011, four alleged associates of Yevloyev had been arrested: the Yandiyevs, Bashir Khamkhoyev, and Akhmed Yevloyev, Magomed's 15-year-old brother, who had allegedly helped assemble the bomb.
Berdasarkan Oktober 2011, empat rekan Yevloyev telah tertangkap: Yandiyev bersaudara, Bashir Khamkhoyev, dan Akhmed Yevloyev, saudara lelakinya yang berusia 15 tahun yang diduga membantu perakitan bom.