[na85]

Scroll down a bit; all they have to disclose is that the files "were forensically obtained."

[andrewpi]

I saw that, but I still don't see how that works in a trial. Said evidence will need to be introduced in court. When the witness tries to be cute by giving a vague answer, can't the defense just ask the witness to explain further?

[DannyBee]

This is entirely false. For gods sake, you have to put lab technicians on the stand for cross examination when they test your blood.

For something like this, a report gets written, and the person who wrote it gets cross examined.