Analysis of information sources in references of the Wikipedia article "Treason" in English language version.
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{{cite book}}: ISBN / Date incompatibility (help)A conviction for high treason carries the penalty of life in prison.
As of December 10, 2025, at least 1,627 people had been defendants in criminal cases brought by Russian courts on charges of "treason" or "espionage." More than 1,000 of those cases were brought during the full-scale invasion of Ukraine. About one-third of them, or 564 people, are Ukrainian citizens.
A conviction for high treason carries the penalty of life in prison.