How so? It sounds like this is a case where the police had a demonstrable need to find out who he had communicated with, and presumably they also had access to

How so? It sounds like this is a case where the police had a demonstrable need to find out who he had communicated with, and presumably they also had access to his cell phone records. I don't see how names are any more worthy of protection than phone numbers. Especially since the name is really metadata associated with a Facebook ID, which is exactly like a phone number.