Ukraine says two of the men came to Russian intelligence's notice through their own comments in chat groups, and the third through a relative working for Moscow's domestic security service.
The court convicted him of high treason committed under martial law, the article of Ukraine's Criminal Code reserved for wartime collaboration with the enemy.
A little-known GRU unit allegedly operated through an Aeroflot office near Japan’s national police headquarters, according to NYT's reporting. They used business and logistics ties to obtain equipment for Russia’s war machine.