Think the Supreme Court protected your cellphone from warrantless searches? Think again.

A look at the ongoing debate about digital privacy and law enforcement just weeks after a major Supreme Court ruling held that police must obtain a warrant before accessing a suspect's cellphone. Border patrol agents have a nearly unlimited ability to perform warrantless searches of Americans' digital lives, based on little more than a hunch. "It truly is a suspicion-less search policy," said Catherine Crump, an assistant law professor at the University of California—Berkeley and a former attorney for the American Civil Liberties Union. "When you cross the border, the US government asserts the right to search for no reason at all."