I get this a lot from a guy I do trust, and his old man is an Iranian immigrant, but I also recognize my sources are very biased against the regime. Is there a

I get this a lot from a guy I do trust, and his old man is an Iranian immigrant, but I also recognize my sources are very biased against the regime. Is there any good reporting out there or sentiment analysis that can show this? Or is it all word of mouth on the Internet? It's okay if there is nothing, but I'd feel a lot better if there was something substantial to back this up too.