An immigration officer also cannot search you or your belongings without either “probable cause” or your consent. If an agent asks you if they can search your belongings, you have the right to say no.
That Probable Cause standard requires a reasonable and articulable suspicion of wrong doing to exist too. Crossing a boarder alone doesn’t give rise to that.
They can’t search your property without a warrant, probable cause, or your permission.
https://www.aclu.org/know-your-rights/border-zone
That Probable Cause standard requires a reasonable and articulable suspicion of wrong doing to exist too. Crossing a boarder alone doesn’t give rise to that.
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Of course they just deny you entry at that point…
They can’t deny a US citizen entry to the US.
I doubt it would be grounds for turning away a legal visitor, though you would have to have a way to challenge it.
You are sorely misinformed on both counts…