Illia is a former serviceman, a retired warrant officer. He used to serve in the KGB but resigned in 2011.
In August 2021, Illia was detained. According to the investigation, in 2020 he set fire to two portals of the BelToll road toll collection system in the Barysau district, and during a search of his home bottles with an incendiary mixture, ammunition and white-red-white symbols were found. Before the trial, he was held in the prison in Zhodzina.
In August 2022, Illia was found guilty in a criminal case opened under several articles, including "Act of terrorism", and sentenced to imprisonment. The trial was held behind closed doors.
In the colony, the administration placed Illia in a punishment cell.
