style shows a suspect's arrest several years ago. the russian government considers them spies and made them admit their guilt to get out of jail, but the state department doesn't acknowledge the charges against any of them. the kremlin identified the men by name thursday, all u.s. officials say is that several are in poor health. >> i have nothing for you. >> reporter: the best known prisoner, igor sutyagin. they found him guilty of treason sentencing him to 15 years in a high security prison. he's consistently maintained his innocence. alexander zaparoscki, according to the russian media he worked in the u.s. and retired here. when he returned to russia he was arrested and found guilty of high treason for giving the cia secret information on russian agents.