[3] On 18 December 2018, one of the attackers, Lev Bijakov, was sentenced by the Motovilikha District Court of Perm to 9 years and 8 months in prison.

[2] A similar incident previously occurred on 5 September 2017 in Ivanteyevka, and later on 19 January in Ulan-Ude, 18 April in Sterlitamak, and May 28, 2019 in Volsk.

Lev Romanovich Bidzhakov (born 2 August 2001), At the time of the incident, he was studying at a lyceum next to School No.

Lev and his father went to psychiatrists, where the teenager was examined and given a certificate stating that he needed separate home education.

The Main Directorate of the Ministry of Internal Affairs for the region also reported that one of the attackers (Bidzhakov) was registered with a neuropsychiatric dispensary .

Bijakov was also subscribed to online communities dedicated to the Columbine High School massacre.

This became a reason to believe that the teenagers acted together and committed the attack, wanting to imitate Eric Harris and Dylan Klebold.

According to the parents of one of the victims, in December 2017, Lev mixed alcohol with energy drinks , drank it and came to school like that.

On 15 January 2018, at approximately 10:20 local time, Lev Bijakov and Aleksandr Buslidze entered the school through the turnstile.

The teenagers, armed with knives, came to room #308 for a labor lesson, where there were students of class 4 "B" aged 10-12 and teacher Natalya Shagulina.

Shagulina defended the children, even managed to push away one of the attackers and received 17 stab wounds,[6] including in the neck.

Initially, information was received that a fight with bladed weapons broke out between high school students.

In April, Shagulina returned to work and was awarded a medal "for courage" by President Vladimir Putin.

In October 2019, the Investigative Committee of the Russian Federation awarded her the medal "Valor and Courage"[7] A criminal case was opened for the attempted murder of two or more persons.

On 12 July 2018, the Motovilikha Court of Perm decided to send Alexander Buslidze to a psychiatric hospital for at least 2 months.

On 6 February 2019, the Perm Regional Court upheld the sentence unchanged and rejected the appeal.

Roman Bidzhakov (Lev's father) also had his car confiscated In October, it became known that bailiffs would collect 5,609,000 rubles from the parents of one of the criminals.

On 31 July 2020, the Motovilikha District Court found Galkina guilty of providing services that did not meet safety requirements, which negligently resulted in causing serious bodily harm and sentenced her to 3 years probation.

The unprofessionalism of the specialists, the lack of communication and continuity in the work of the departments are evident".Kuznetsova also drew attention to issues of school safety and security.