Ever since the San Bernadino shooter's government issued iPhone data was encrypted, I've had this rattling around in my head:
Doesn't this encryption lack the proper owner and user model? In the case of a phone not owned by the user, there should be an owner key that can be used to access the data on the device at any time, and that can be used to revoke the user key at any time. In the case of private user owned phones, I say screw em, math isn't illegal.
Just my two cents.