Dudinov Sergey
Charges: Article 205.5 part 2 applied with Article 30 part 1, Russian Criminal Code (Preparation for participation in the activities of a terrorist organization); Article 275 applied with Article 30 part 1, Russian Criminal Code (Preparation for treason against the state (preparation for a crime)). Sentenced on September 2, 2025. Status: imprisoned; deprived of liberty since April 1, 2025. Recognition: Memorial: Support for Political Prisoners — recognised as a political prisoner, April 29, 2026.
In brief
Altai Krai · Barnaul · Terrorism cases
Sentence
9 years
Imprisonment (strict regime), Restriction of liberty
Upheld February 19, 2026
Charges
- Article 205.5 part 2 applied with Article 30 part 1, Russian Criminal Code — Preparation for participation in the activities of a terrorist organization
- Article 275 applied with Article 30 part 1, Russian Criminal Code — Preparation for treason against the state (preparation for a crime)
Latest event
April 29, 2026 — recognised as a political prisoner
Memorial: Support for Political Prisoners
Recognition by rights defenders
- Recognised as a political prisoner — Memorial: Support for Political Prisoners, April 29, 2026
Timeline
· Recognised as a political prisoner
Memorial: Support for Political Prisoners
· Appeal ruling
upheld
· Imprisonment begins
· Added to the Rosfinmonitoring list of “terrorists and extremists”
· First-instance verdict
guilty verdict · 9 years
· Persecution begins
· Preventive measure: pre-trial detention
Criminal case
- Case number
- 1-156/2025
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Details and sources
Full summary
Житель Алтайского края. В апреле 2025 года его задержали, после чего взяли под стражу. Против него возбудили дело о приготовлении к участию в деятельности террористической организации и государственной измене: по версии следствия, он намеревался вступить в ряды Легиона "Свобода России". 2 сентября 2025 года Дудинова приговорили к девяти годам колонии строгого режима.
All fields of the record
- Citizenship
- Russia
Other people prosecuted under Article 205.5 part 2 applied with Article 30 part 1, Russian Criminal Code
Under the same article, not necessarily in the same case.