If the ruling is that these trade-secrets were stolen goods, I'd be willing to bet that these three guys could refuse to answer any questions, by invoking the 5th Amendment, since they would incriminate themselves by saying anything.

Can we draw the following conclusion?
These three guys could refuse to answer any questions, by invoking the 10th Amendment.

Options are:
I. Yes
II. It's impossible to say
III. No
III.