Impersonation fraud

How to spot a fake police officer: the police never collect your valuables

Q: Does a high detector score prove that a police message is fake?

No. The score describes patterns in a text or a file and says nothing about the sender or about whether an investigation exists. A low score does not prove it is genuine either.

The call says the police found your address in a burglar's notebook after a break-in nearby, that your home could be next, and that an officer will come by to take your jewellery, cash or bank card into safekeeping. A while later someone stands at the door with an ID card, sometimes part of a uniform, and repeats a code that was passed to you on the phone (politie.nl, how fake officers work). In the Netherlands this pattern is reported in waves and it targets older people in particular: in one week in July 2024 police received dozens of reports (NOS, 5 July 2024).

The rule that breaks the pattern is short: the police never come to your home to collect valuables or cash for safekeeping, and no government body asks you to move money to “protect” it.

Direct answer: five checks on a call or visit in the name of the police

If someone is at your door, on the way, or has just left, call the emergency number immediately (112 in the Netherlands). That is the police's own advice, including passing on a description and vehicle details if you have them (politie.nl). Close the door, let nobody in while you call, and never use the number or the code from the conversation.
The police do not take jewellery, cash, bank cards or keys away for safekeeping. The police describe the collection of valuables as the core of the fake-officer method: the caller refers to burglaries in your area and offers to pick your belongings up quickly (politie.nl). There is no holding service for citizens and no “safe account”.
The number on your screen proves nothing. The Dutch Fraud Helpdesk reported in October 2026 that the general number of the Rijksrecherche (the national investigative service) is being spoofed by callers claiming to be from that service or the public prosecution office, using exactly this story (Fraudehelpdesk, 9 October 2026). Callers can even make your own number appear; the Fraud Helpdesk logged reports of that in September 2026, with a recording in Amazon's name and a request to install software (Fraudehelpdesk, 16 September 2026).
Call back on a number you looked up yourself and ask for the station, the unit and a case number. The Fraud Helpdesk advises looking up the number yourself and calling that (Fraudehelpdesk). An ID card is not proof either: the police state that fake officers legitimise themselves with a forged pass (politie.nl).
Government agencies never call, email or text to ask for money or personal information. The US Federal Trade Commission states this plainly: only a scammer does that, agencies never threaten you or ask you to transfer money to protect it, and the FTC itself will not ask you to withdraw cash or buy gold and hand it over (FTC, government impersonation scams). In Indonesia the financial regulator OJK warns about phone and WhatsApp fraud in the name of OJK and its commissioners asking for money, and stresses that it never asks for money or personal data (OJK, 23 April 2025).

Why the story works

Pressure is the mechanism. Reporting describes offenders who know the names of the victim's children, sometimes name the local police officer, and push people to act quickly (NOS). The code word passed in advance does the same job: it makes the person at the door credible (politie.nl). The pattern is not limited to a visit either: police also describe letters and emails claiming your national ID number has been linked to criminal activity, followed by a request to transfer your money to “secure” it (politie.nl).

Scale: in 2025 the FTC received more than a million reports about imposter scams, reported losses rose by nearly 20% to $3.5 billion, and reports of government imposter scams were up 40% (FTC, May 2026).

What AI changes here

AI does not change the script, which is old. It changes how convincing the voice is and how fast a caller adapts to what you say. That makes telling a real officer from a fake one on the phone even less reliable than it already was, which is exactly why the check does not belong inside the conversation: the decision is whether you call a verified number yourself and whether you let someone in without an appointment.

What a detector does and does not see

A phone call or a visit cannot be uploaded, and it does not need to be. If you also received a message, letter or screenshot, you can run the text through the text detector and an image through the image detector. That is triage: it helps you decide which message to verify first and gives you a signal to keep with a report. It says nothing about the identity of the caller or the visitor. Short messages and templates carry too little writing style for a reliable reading, so a low score never proves that a message really came from the police.

What a call or visit cannot tell you

whether the caller or visitor really works for the police or an investigative service, even with a pass, a uniform or a matching number on your screen;
whether anything is actually happening in your neighbourhood or with your data;
whether a criminal investigation exists that mentions your name;
whether it is fraud; only prosecutors can establish that.

Treat the call as a reason to verify things yourself, never as evidence that the police are at your door.

If it already happened

Call the emergency number if someone is on the way, at your door, or has just left, and pass on a description and vehicle details (politie.nl).
If you transferred money or handed over your bank card, call your bank immediately on a number you have yourself; speed decides whether a payment can still be stopped.
File a police report. Police ask victims to report and to note the caller's number, because more data stops this faster (NOS).
Report it to the national fraud desk; if you handed over personal data or an ID copy, also report that to the identity-fraud desk. In the US, report to the FTC at ReportFraud.ftc.gov and use IdentityTheft.gov if you gave personal information (FTC).
Keep everything: the number, the time, what was said, the letter or message, and details of the person at the door.

More checks are in the guides on a call claiming to be your bank, number fraud and SIM swaps, a fake helpdesk asking for a code, a fake tax-office message and a prize scam. To check a file or a message on its own, use the free checker.

Frequently asked questions

The police called and then sent someone to take my jewellery into safekeeping. Is that real?

No. The police describe exactly this pattern as the method of fake officers and advise calling the emergency number if anyone has visited or is on the way. The police do not collect valuables from people's homes.

The number of the police or the national investigative service really showed on my screen. Doesn't that make it genuine?

No. The Dutch Fraud Helpdesk reported in October 2026 that the general number of the Rijksrecherche is being spoofed, and callers can even show your own number. The number is therefore not evidence; call a number you have looked up yourself.

Does a high detector score prove that a police message is fake?

No, and a low score does not prove it is genuine either. The score describes patterns in a text or a file and says nothing about the sender or about whether an investigation exists. Use the outcome as a reason to verify things yourself, not as proof.