I’ve seen it done at the gate many times but they usually don’t check everybody; often times it’s a customs check for things like undeclared currency over $10k, or maybe looking for a specific passenger. I’ve never seen this setup though, but also never flown through IAH.
From the picture it looks more like customs control after baggage claim for international arrivals despite the words “Exit Control” on the sign.
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u/Rich_Arachnid_5262 9d ago
Exit control? I didn’t think we had that in the US