Mathematics teacher Dmitry Bogatov, who is accused of public calls for terrorism, replaced the measure of restraint for house arrest until August 31 on Monday. The accused was released in the courtroom. The representative of the investigation petitioned for replacing a preventive measure. Dmitry Bogatov was arrested on April 10. According to investigators, he, under a fictional name, called on social networks to violence during an inconsistent protest on April 2. The associates of Bogatov claim that he did not commit a crime, and any user of the anonymous network Tor, the operator of which he was, could use his IP address. The human rights center "Memorial" recognized Dmitry Bogatov by a political prisoner.