 An attempt was made to pin this on Western governments. However, their attempt to pin this attack on the West fell apart after Moghamad Amarav, the head of Dagestan's Sergo Kalinsky district, was arrested when officers learned two of his sons had taken part in the shootings. During the interrogation, Amarav reportedly admitted to investigators he knew his sons were Muslim Wahhabists, something they'd describe as a particularly radical sect of Islam.