Two weeks before the terrorist attack at Crocus City Hall, the United States warned Russian authorities that the concert hall could become a potential target for an attack. This statement was published by The Washington Post, citing American officials familiar with the situation.

Earlier, the director of the Foreign Intelligence Service (SVR) of Russia, Sergei Naryshkin, said that the FSB received too general information about the preparation of a terrorist attack in Moscow. According to him, these data were of a general nature.