Poland Detains 6 Suspected of Spying for Russia, Shipping Ammo Parts

Poland’s Internal Security Agency detained six people — five Polish citizens and a Russian woman — suspected of working for Russian intelligence and illegally shipping military components, including shell casings and projectiles, toward Kaliningrad, the National Prosecutor’s Office and ABW said on Nov. 5. Four suspects face espionage charges and three-month pretrial detention; two remain under noncustodial measures.

The case sits at the intersection of NATO’s eastern flank security and the industrial logistics of the Russia-Ukraine war: prosecutors say the ring tried to feed Russia’s ammunition base from Polish territory. Special-services coordinator Tomasz Siemoniak publicly confirmed the ages and nationalities. Broader war news coverage has tracked similar hybrid pressure on Poland since 2022.

Poland spy arrests: charges and the Kaliningrad route

According to the National Prosecutor’s Office, ABW officers detained the six on Oct. 21 and Nov. 2 during an investigation into an organized criminal group acting for Russian intelligence. All six face charges of participating in that group and of exporting armament elements without a permit. Four additionally face Article 130 espionage charges for acting for Russian intelligence against Poland for financial gain by moving casings and projectiles that would strengthen Russia’s military potential.

Investigators say the scheme ran at least from June 2023 through December 2025 across Poland, Lithuania and Russia. Members ordered goods online, collected them and drove vehicles with hidden compartments across the Polish–Russian border into Kaliningrad Oblast; some loads were seized by border guards. The Białystok district court ordered three-month custody for the four espionage defendants.

What ABW says the searches found

ABW said officers searched 21 sites in Warmian-Masurian, Pomeranian and Greater Poland voivodeships between Oct. 21 and Nov. 2. The agency’s statement, summarized by Euronews and PAP, argues that illegal supply of ammunition components can reinforce Russia’s defence industry and therefore threaten Polish security. The Olsztyn ABW field office is leading the inquiry under the National Prosecutor’s organized-crime department in Białystok.

Euronews put the declared value of purchased and exported ammunition elements above 2 million złoty — about €455,000 at the rate Euronews cited. That is a mid-scale smuggling ledger, not a state-to-state arms deal, but prosecutors treat the intelligence-tasking allegation as the core national-security offense. For context on allied military posture facing the same Russian exclave, see our defense news hub and the military deployments tracker.

By the numbers: scale of the ABW case

By Boston Report math from the official tallies, two-thirds of detainees (4 of 6) face the espionage count, and search sites outnumber suspects more than three to one (21 to 6), consistent with a multi-province logistics map rather than a single safe house. The >2 million złoty component value averages above 333,000 złoty per detainee if spread evenly — a TBR illustration only, not a court finding of individual proceeds.

What comes next

ABW called the probe “developmental,” meaning more arrests or corporate targets could follow. Watch whether Lithuanian authorities open a parallel file, whether Kaliningrad-linked companies appear in Polish strategic-trade cases, and how Warsaw ties the dossier to NATO discussions on hybrid threats. Charges are allegations until proven in court; Russia has not issued a detailed public rebuttal in the Polish releases.

Sources

• Polish National Prosecutor’s Office: espionage and arms-trade charges
• ABW: six detained over Russian intelligence group
• Euronews: Poland arrests six suspected of spying for Russia
• PAP: Poland detains six people suspected of spying for Russia