Igor Girkin also know as Igor Strelkov, the former military chief for Russia-backed separatists in eastern Ukraine, sits in a glass cage in a courtroom at the Moscow's City Court in Moscow, Russia, on Tuesday, Aug. 29, 2023. A prominent Russian hard-line nationalist who accused President Vladimir Putin of weakness and indecision in Ukraine was detained on charges of extremism. (AP Photo/Alexander Zemlianichenko)