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Automatically translated version. May contain inaccuracies compared to the original.
Oleksandr Kostornyi died in prison; Ukrainian law enforcement accused him of passing data about military facilities to Russian special services and of aiding in the guidance of strikes against the Yavoriv military training ground. His death, which occurred back in June 2026 of this year, became known only now.
Kostornyi allegedly passed a map of the training ground to the Russians.
The death of Oleksandr Kostornyi was reported by the TV channel First Western, citing his daughter, and later confirmed by the administration of the State Penitentiary Service in Lviv region. The death was also reported by Lviv deputy Ihor Zinkevych.
According to Kostornyi’s daughter, her father died as early as June this year. However, this information did not receive wide publicity until now.
Kostornyi was a figure in a resonant case about passing information about Ukrainian military facilities to Russian special services.
According to the investigation, 4 in March 2022 he sent a map of the Yavoriv military training ground to an employee of the Russian FSB via Telegram. Nine days later, 13 in March, Russian troops launched a massive missile strike on the training ground.
According to official data, 64 people died and more than 100 others were wounded as a result of the attack.
He claimed that the map was for mushrooms and fishing.
In June 2022 year, the Security Service of Ukraine announced Kostornyi’s arrest.
The man himself did not admit guilt. He claimed that he had given a map to an acquaintance in which places for fishing and mushroom picking were allegedly marked.
At the same time, as noted in case materials, the map marked military facilities. Some of them, according to the investigation, later became targets of a Russian missile strike.
Kostornyi had connections with Soviet security services.
According to the “Movements of Honest People,” as early as 2015 year Kostornyi took part in an event called the “congress of Russian and anti-fascist organizations of Lviv region and Western Ukraine.” During it he spoke with a report.
Journalists and public activists also pointed to his public sympathies toward the Soviet Union and Russia.
As ZAXID.NET reported, in his youth Kostornyi worked in the Foreign Surveillance Department of the KGB. He also graduated from the Higher Red Banner School of the KGB in Moscow.
Kostornyi’s death in prison became known months after his death. The circumstances and cause of death in the reports that underlie this article are not specified.
Earlier, StopKor reported that the SBU uncovered and detained a resident of Lviv region who, according to investigators, was recruited by Russian special services via Telegram and involved in gathering intelligence. The man worked at a company involved in unmanned aerial vehicle production for the Defense Forces and tried to pass to the FSB coordinates of the facility and information about the time of the largest crowds for preparing a missile strike. The detainee was charged with treason and faces life imprisonment with confiscation of property.
Document: PDF proof of the original version of the news item "Помер у в’язниці коригувальник удару по Яворівському полігону: що відомо про Косторного". It records the publication content at the moment of the first scan, the preservation date and the source: NARDEP 24.
