Can customs and border officials search your phone? Know your rights

The Fourth Amendment protects citizens from unreasonable searches and seizures

A NASA scientist heading home to the U.S. said he was detained in January at a Houston airport, where Customs and Border Protection officers pressured him for access to his work phone and its potentially sensitive contents.

Last month, CBP agents checked the identification of passengers leaving a domestic flight at New York's John F. Kennedy Airport during a search for an immigrant with a deportation order.

And in October, border agents seized phones and other work-related material from a Canadian photojournalist. They blocked him from entering the U.S. after he