[1] Afanaskina hid a Bekas-3 shotgun belonging to her father in a tube and had a knife tucked into her right boot while walking to school.

[7] Fourteen-year-old Alina Dmitrievna Afanaskina (Russian: Алина Дмитриевна Афанаскина; born July 17, 2009), an eighth-grade progymnasium student, was identified as the perpetrator of the shooting.

[4][8] As State Duma deputy Alexander Khinshtein reported, among the shooter's personal belongings found at the crime scene was a backpack, a box of cartridges and notes that the girl "must definitely meet with a friend".

[13] Katolikova was charged under Part 3 of Article 293 of the Criminal Code of the Russian Federation – negligence that resulted in the death of two or more persons.

[15][17] According to Mash, the attacker could have been recruited by some “Ukrainian radicals” from an extremist and terrorist group banned in Russia.