Learn useful ways to say "if you know" in English with drama examples and natural alternatives.

It means the speaker is urgently asking someone to go locate another person.
From The Escaping Mistress, Episode 26
She tells someone that if they know where the woman is, they need to go get her.
Use this when you need someone to help locate a missing person. It sounds urgent and a little forceful, so it can feel demanding.
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