The suicide bomber, his accomplices and foreign curator used the Telegram messenger at all stages of the preparation of the terrorist act in the metro of St. Petersburg.
“During the operational support for the investigation of the terrorist attack on April 3, the Federal Security Service of the Russian Federation received reliable information on the use of the telegram by the suicide bomber, his accomplices and foreign curator for concealing his criminal intentions at all stages of organizing and preparing the terrorist act”, says the FSB message.
The department stressed that terrorists in the territory of Russia are most actively using the Telegram messenger to communicate with each other and with their curators from abroad.