Counterintelligence & Espionage — 2026-10-21

Poland Detains Dual-Citizen Military Reservist on Espionage Charges for Conducting Reconnaissance of Military Installations

BLUFPoland's arrest of a recently naturalized dual citizen inside a military training pipeline points to a foreign service attempting to embed access agents within NATO reserve structures.

Polish military police detained a 31-year-old Polish-Ukrainian dual citizen holding the rank of senior private reserve on October 16 at the Military Medical Academy in Łódź, where he was taking a reservist officer training course, on orders from the Łódź-Polesie District Prosecutor's Office 12. The suspect faces charges of declaring readiness to act for the benefit of a foreign intelligence service against Poland, punishable by up to eight years, and a court ordered three months of pretrial detention 12. Deputy Defence Minister Cezary Tomczyk told reporters the man had "clearly revealed himself" as someone conducting reconnaissance of Polish Armed Forces military installations and had recently obtained Polish citizenship 12. Rzeczpospolita reported that officers found several phones, documents, official stamps, foreign currency and gold, though authorities have not confirmed those details or identified the foreign intelligence service involved 12.

Analysis
The case fits a pattern: Poland opened more espionage investigations in 2025 and 2026 combined than in the previous three decades, and most convicted agents have been Ukrainian or Belarusian nationals recruited by Russian services. A recently naturalized dual citizen entering a Military Medical Academy training course raises the question of whether a foreign service directed him to seek access through the reserve force. Authorities have not named that service. Deputy Minister Tomczyk's public attribution of reconnaissance is unusually forward-leaning for an open investigation, and the seized phones, stamps, currency and gold, if confirmed, point to operational tradecraft. He may instead have been an untrained opportunist who drew attention through clumsy behavior, with an innocent explanation for the items not yet ruled out. Confidence is high because Notes From Poland and Anadolu each reported the detention, charges and statement independently, and Liga.net relayed the same account with no conflicting facts. Independence is limited, though, since all rest on one military police announcement and one ministry statement.

3 sources

Poland detains Polish-Ukrainian military reservist on suspicion of espionage - Notes From Poland
Poland detains reservist suspected of spying on military sites - Anadolu Agency
A man with Ukrainian and Polish citizenship is suspected of espionage - Liga.net