Fraudsters tried to con 12 elderly Northamptonshire residents out of their bank details in just one day this week.
Northamptonshire Police have revealed the criminals called a dozen people in the county between 1pm and 7pm on Sunday.
During the scam, the offender calls the residents claiming to be either a police officer investigating a fraud on their bank account, a fraud investigator from a bank or a bank official.
They then ask the caller for account information, including their card numbers, security number and pin number.
If the resident becomes suspicious, the conman suggests they call 999 or 101 and ask for confirmation that the person is a police officer.
The victim then calls police, but does not realise the conman has not hung up so goes straight through to them again. In some cases another conman comes on the line and pretends to be working in the police control room and states that they can verify the officer’s details.
Bryan Pye from the fraud and financial investigation team of the East Midlands Special Operations Unit said: “We believe this is a national scam. It appears that residents are refusing to give their details but these calls show that the offenders are continuing to target people in Northamptonshire. “In previous cases some residents have been conned into handing over their cards and pin numbers, resulting in money being removed from their accounts.
“I would urge people to share this information with their elderly relatives or neighbours so they are aware.”
In some of the cases, the criminals have sent couriers immediately to the victim’s property to pick up their cards which are then used fraudulently.
In two other incidents the caller claimed they had the victim’s grandchildren in custody because they had been caught using their bank card.
The police have pointed out that banks will never ask for your PIN or bank card and will never suggest that you hand your card to a courier.