If you have mutual friends, ask them if they know the person. A mutual friend can confirm if the account is real or if it’s a fake/scam account.
If you really need to see who is behind a locked profile, you have to play by the rules. Here are the only methods that actually work: facebook locked profile viewer online
"I downloaded an APK file from a viewer website. My phone started showing pop-up ads every 30 seconds. Battery drained in 2 hours. Had to factory reset and lost all my photos." If you have mutual friends, ask them if they know the person
Some people ask: "Why doesn’t Facebook let me see who viewed my locked profile?" Or: "Why can’t I pay Facebook to unlock a profile?" So if you see a website claiming "Facebook
The answer is privacy law and ethics. Facebook operates under GDPR (Europe), CCPA (California), and similar laws worldwide. Allowing any form of paid or anonymous profile viewing would violate:
So if you see a website claiming "Facebook official locked profile viewer," that is a lie. Facebook has no such tool.