Why do banks ask where money comes from?

Why do banks ask where money comes from? The main reason banks ask where your money has come from, is because they are required to verify this as part of the law that has been put in place to try to stop money laundering. By asking you the details of where the money has come from, they can verify that it has been generated through legitimate means.

The main reason banks ask where your money has come from, is because they are required to verify this as part of the law that has been put in place to try to stop money laundering. By asking you the details of where the money has come from, they can verify that it has been generated through legitimate means.