In a rare show of unity, the Supreme Court unanimously ruled last week that police need a warrant before searching the cellphone (or personal electronic device) of a person under arrest.

Chief Justice John Roberts wrote the opinion: "Modern cell phones, as a category, implicate privacy concerns far beyond those implicated by the search of a cigarette pack, a wallet, or a purse," Roberts wrote.

"A cell phone search would typically expose to the government far more than the most exhaustive search of a house: A phone not only contains in digital form many sensitive records previously found in the home; it also contains a broad array of private information never found in a home in any form — unless the phone is," Roberts wrote.

(READ the story from Politico)