MOSCOW, June 26. /TASS/. Investigators have seized from a minor administrator of an international terrorist online community an archive of correspondence with accomplices from Russia, the US and European countries, Investigative Committee representative Svetlana Petrenko said.

During interrogation, the minor confirmed his involvement in promoting the "Columbine" movement and preparing an attack on a Domodedovo school, as well as similar crimes in other regions. An archive of correspondence with domestic and international accomplices and photos and videos of terrorist acts was seized.

The Federal Security Service (FSB) reported that the detainee and his handlers expanded terrorism worldwide. In 2025-2026, community members organized arson and damage to more than 20 civilian vehicles and a church in the US and European countries. They also spread false reports about mining facilities. Terrorist activity abroad was coordinated by Ukrainian agents, with recruitment materials produced in Kiev.