[E. Pluribus Unum]

There ought to be encryption programs with TWO passwords.

One password lets you in.

The other password shreds the data.

And once you enter the "shred" password, it's too late.

[melkor]

and then they would reimage the drive back from the forensic image the data forensics guy took when he first took the drive into evidence custody and you would be right back where you started + a charge of contempt of court.