Put them in jail indefinitely, apparently.
https://arstechnica.com/tech-policy/2017/03/man-jailed-indef...
> ""Forensic examination also disclosed that Doe [Rawls] had downloaded thousands of files known by their "hash" values to be XXXXXXXXXX. The files, however, were not on the Mac Pro, but instead had been stored on the encrypted external hard drives. Accordingly, the files themselves could not be accessed.""
A good guess can figure out what I've redacted.
If it's a foregone conclusion they can start a trial, if it's not they should release him.
Information versus material.
This is an excellent point. That is why do I not use biometrics on my personal devices. I honestly don't have anything to hide, but I also have no desire to give people the idea that it's going to be easy to fish through my personal stuff.