The police want your phone data. Here’s what they can get — and what they can’t.

"“Basically, anything that a provider has that it can decode, law enforcement is getting it,” Jennifer Granick, surveillance and cybersecurity counsel for the ACLU’s speech, privacy, and technology project, told Recode.

“The issue with biometrics is, is it testimonial?” Granick said. “The courts have not entirely decided that, but there have been a couple courts recently that said biometrics is basically the modern technological equivalent of your passcode.”"