former us spy of not being ` transparent ' and said he was being ` secretive ' about his arrangements with the russian authorities .
he may have been told not to speak out on russian surveillance but continue attacking america in order to save himself from jail in the us .
after mr snowden , 31 , revealed himself in june 2013 as the civilian cia worker who stole a vast tranche of classified documents , he fled to hong kong and russia where he was given asylum .