JulianSanchez of the Cato Institute has previously pointed out that a downside to creating an easy access key for the feds, is that an easy access key then exists and can be stolen by hackers.
But this JulianSanchez post is an excellent reminder that Zimmerman might have committed no crime while doing something that was morally wrong, or might have committed murder even if Martin was not entirely without moral culpability.
But JulianSanchez, a research fellow at the Cato Institute who has tracked the NSL issue, says that NSLs sent to an Internet service like Google could still be used to de-anonymize Internet content when the FBI knows an IP address but not a name or other identifying details.