Brits are being warned of a worrying increase in a fraud that sees criminals pretending to be the police turn up at their victims' homes to steal up to £640,000.
Victims – who are often vulnerable or older people – are falling prey as conmen steal on average £5,000, with one fraudster pocketing £640,000, according to the charity Crimestoppers.
The scam is known as courier fraud, where criminals impersonate your bank or the police.
