In WWII the Nazi and later the Russian/East Germans were known to send over “defectors” to mislead and misinform.
Iran looks up to these people and copies what they can use.
That's certainly possible.His credibility depends on what he says.If he says..."Iran is years away from success and their sole intention is,in fact,electricity"....then you know he's lying.If his message is urgent..."they're damn close and Israel has much to fear"...then he's probably for real.