The 50 Euro man

Apparently this conman is around again, he will knock on your door and explain to you he has lost his keys and cannot get at any money to pay the locksmith who will not do the job without the cash. he gives you his address which is closeby, but this address will be for an unoccupied property, he is very plausible and speaks perfect English, and will try to borrow between 30 and 50 Euros. Dont be taken in by him as you will not get your cash back.