I know it’s a bit long, but you have to watch this video by John Oliver about the mind boggling scams that American (tele-) evangelists perpetuate on the public by abusing the trust people put in them.
And on top of that, they also scam the rest of the population by taking advantage of the ridiculous (and very lax) rules that exempt religious organizations from paying taxes.
It’s jaw-dropping shocking:
And it’s all real. And it’s all legal.