What to do if…
police tell you your phone number was found in someone else’s case and want an immediate explanation
Short answer
Pause and verify the caller independently before you explain anything. If it’s genuine, you can arrange a time to speak with legal advice rather than doing it immediately on the phone.
Do not do these things
- Don’t “prove you’re innocent” by giving a long explanation on an unexpected call.
- Don’t confirm personal details (address, date of birth, workplace, banking info) just because they already know your name.
- Don’t stay on the line while you “get transferred” or while they keep you talking — end the call and verify separately.
- Don’t agree to an “informal chat” that’s actually questioning about an offence without getting clarity on your status.
- Don’t let urgency push you into attending a station straight away without asking what the meeting is and your rights.
- Don’t hand over money, bank cards, PINs, or devices to anyone who turns up because of a phone call.
What to do now
- End the call calmly. Say: “I’m willing to cooperate, but I’m going to verify this and call back via the official route.” Then hang up.
- Verify in a way scammers can’t control. If you were called, wait at least 5 minutes and make sure you have a dial tone (scammers can sometimes keep the line open). Then:
- Call 101 and ask to confirm the officer/unit.
- Provide the name, rank, collar number, station, and any reference/crime number you were given.
- Use 999 only if you feel threatened or in immediate danger.
- If it checks out, get clarity before you talk. Ask (on the verified line):
- “Am I being contacted as a witness, or do you think I’m involved?”
- “Are you inviting me to a voluntary interview, and will it be under caution?”
- “What offence is this about, and what do you need from me right now?”
- If they want questioning, ask for legal advice and schedule it. You can say:
- “I’m not discussing this by phone. Please arrange a time and confirm whether it’s under caution.”
- “I want legal advice before answering questions.”
- Write down what happened while it’s fresh. Time/date, what was said, numbers used, names/collar number, any reference number, and any pressure tactics.
- If anything felt off, treat it as possible impersonation. Report the attempt through the UK’s fraud reporting routes. If you shared sensitive details, change passwords and contact relevant providers/banks promptly.
What can wait
- You do not have to decide your “full explanation” right now.
- You do not have to provide your entire contact list, phone contents, or financial details on a first unexpected call.
- You do not have to attend immediately; you can schedule a verified appointment and get legal advice first.
- You do not have to figure out exactly why your number appeared today — just verify, document, and slow the process down.
Important reassurance
This situation is common: phone numbers can appear in other people’s cases for innocent reasons (misdial, old contacts, recycled numbers, data errors, spoofing). Feeling panicky is normal — the safest first move is slowing it down and verifying independently.
Scope note
These are first steps to prevent you being pressured, scammed, or mischaracterised. If it becomes a formal interview or you’re told it may be under caution, specialist legal advice is the next step.
Important note
This is general information to help you stay safe and avoid irreversible mistakes. It isn’t legal advice, and procedures can vary by police force and by the details of the case.
Additional Resources
- https://www.gov.uk/government/publications/pace-code-c-2019/pace-code-c-2019-accessible
- https://library.college.police.uk/docs/NPCC/Voluntary-interview-guidance-2024.pdf
- https://www.derbyshire.police.uk/news/derbyshire/news/news/north/2024/february/warning-over-police-impersonation-scam-calls/
- https://www.kent.police.uk/news/kent/latest/appeals/warning-issued-following-reports-of-police-impersonation-fraud/
- https://www.citizensadvice.org.uk/consumer/scams/reporting-a-scam/
- https://www.reportfraud.police.uk/