Even Wikipedia spells out that invasive searches require "reasonable suspicion." So we return to the core question... suspicion of what? Suspicion is not a crime. https://en.wikipedia.org/wiki/Border_search_exception
"The government is allowed to use scanning devices and to search personal electronics. Invasive bodily searches, however, require reasonable suspicion." is what the article says
"The government is allowed to use scanning devices and to search personal electronics. Invasive bodily searches, however, require reasonable suspicion." is what the article says