1st - they ask your bank details
2nd - inform u they already bank in
3rd - send u fraud email with a fraud bank logo etc (suggesting that the bank mail to u) saying that u need to provide a sending proof to them so that they can release the payment.
4th - i m trying once before, in my case they even call me (definitely african guy) to ask whether i have send the item or not and ask to check the email
5th - u send ur stuff
6th - u kene