The actions of those who carried out the terrorist attack in Crocus were coordinated in the messenger. This became known from the initial testimony of the accused.

It was revealed that the terrorists were connected with Ukrainian nationalists, the Investigative Committee of Russia said. The terrorist attack at Crocus City Hall in the Moscow region was carried out by a group of young men. The suspects were killed in the attack, which took place in the early hours of the morning on February 1. The attackers were shot dead by security forces.