0% money change fee scam
Pay attention when you changing your money there are legit shops that have massive advertisement "0% fee". Before change money there please check the official change rates on google. Some of these shops offer an awful rate and you losing 15 to 20% when you change money there. So always do your research. Even if looks legit doesn't mean is offering you a good deal. By the way, if you end up changing money there, don't go to the police, they are doing nothing illegal. You just accept an awful change rate!