October 20, 2026, 10:52 AMRSSRU

Valery Mitko

DeceasedChecked October 18, 2026

Valery Mitko, born 1941, Leningrad Oblast. Charges: Article 275, Russian Criminal Code (Treason against the state); “Case of Valery Mitko on high treason”. Status: deceased.

In brief

Leningrad Oblast · Scientists

Sentence

No information about a verdict.

Charges

Full wording of the charges

According to the investigation, he passed secret information to China.

Latest event

December 9, 2022 — persecution ends

Checked October 18, 2026 · no changes since October 15

Timeline

  1. · Persecution ends

  2. · Preventive measure: house arrest

  3. · Persecution begins

    Case of Valery Mitko on high treason

Criminal case

Case of Valery Mitko on high treason

There are no other defendants in this case in the database.

Details and sources

Full summary

According to OVD-Info

Lived in St. Petersburg. Scientist, specialist in hydroacoustics, president of the Arctic Public Academy. On 11 February 2020, he was sent under house arrest on charges of treason: according to the investigation, he passed secret information to China. Human rights defenders claim that he was only lecturing in China, using materials related to his scientific and teaching activities. In June 2021, Mitko was hospitalised with a microinfarction. In March 2021, the scientist was allowed to go for walks, but in August he was forbidden to go for walks again. In April 2022, Mitko was again hospitalised and underwent surgery for a chronic aortic aneurysm. The next hospitalisation occurred in September 2022, he was soon discharged in serious condition. The scientist died on 2 October 2022, less than two months after the start of his trial.

All fields of the record
Citizenship
Russia

Other people prosecuted under Article 275, Russian Criminal Code

Under the same article, not necessarily in the same case.

All 158 under this article →