No, the Fourth Amendment applies to non-citizens, even those who are in the US illegally.
> The court ruled in Almeida-Sanchez v. United States (1973) that all criminal charge-related elements of the Constitution's amendments (the First, Fourth, Fifth, Sixth and the 14th) such as search and seizure, self-incrimination, trial by jury and due process, protect non-citizens, legally or illegally present.
> The court ruled in Almeida-Sanchez v. United States (1973) that all criminal charge-related elements of the Constitution's amendments (the First, Fourth, Fifth, Sixth and the 14th) such as search and seizure, self-incrimination, trial by jury and due process, protect non-citizens, legally or illegally present.
http://thehill.com/blogs/pundits-blog/immigration/255281-yes...
(I am not an expert and would appreciate a better source or explanation.)