Re: "scammers and/or jokers"?
" It's clearly someone 'avin a larf."
It clearly is. But it's like coming home to discover that your "friends" have entered your home, shaved the cat and decorated the kitchen with condoms. Hilarious[1] as it may be, it should not have been possible because the joker has achieved something that a criminal would also like to do.
[1] FSVO "Hilarious"