Ruslan Kozmenko
Ruslan Kozmenko, born 1969. Charges: Article 205.4 part 2, Russian Criminal Code (Participation in a terrorist community); “Ruslan Kozmenko’s case of participation in the activities of a terrorist community”. Sentence (September 19, 2025): 5 year and 6 months' imprisonement in a general regime penal colony. Status: imprisoned. Recognition: Memorial: Support for Political Prisoners — recognised as a political prisoner, December 11, 2025.
In brief
Military personnel · Terrorism cases
Sentence
5 years 6 months
5 year and 6 months' imprisonement in a general regime penal colony.
Upheld December 29, 2025
Charges
- Article 205.4 part 2, Russian Criminal Code — Participation in a terrorist community
Full wording of the charges
According to the investigation, “while in the Severodonetsk district, he voluntarily joined the ranks of the “Aidar”* assault battalion of the Armed Forces of Ukraine, which is a terrorist community. He took part in combat operations against the Armed Forces of the Russian Federation in the territory of the Luhansk and Donetsk People’s Republics, performing the duties of a platoon’s operator of technical means of reconnaissance at the position of the battalion”.
Latest event
December 29, 2025 — appeal
The court upheld the verdict.
Recognition by rights defenders
- Recognised as a political prisoner — Memorial: Support for Political Prisoners, December 11, 2025
Timeline
· Appeal ruling
upheld
· Recognised as a political prisoner
Memorial: Support for Political Prisoners
· First-instance verdict
guilty verdict · 5 years 6 months
· Added to the Rosfinmonitoring list of “terrorists and extremists”
Criminal case
Ruslan Kozmenko’s case of participation in the activities of a terrorist community
- Case number
- 1-525/2025
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Details and sources
Full summary
A Ukrainian serviceman. He was prosecuted for participation in the activities of a terrorist community due to his involvement in the Aidar battalion. On 19 September, 2025, Kozmenko was sentenced to five and a half years in a general regime penal colony.
All fields of the record
- Citizenship
- Ukraine
Other people prosecuted under Article 205.4 part 2, Russian Criminal Code
Under the same article, not necessarily in the same case.