Counterexample; the detainee here doesn’t even seem to know what the charges are, and most of the evidence (and its sources) are secret.

There is evidence (here-say) that he fired a rifle during a military confrontation and dug a trench, and according to the guards he said some nasty things to them during his extra-judicial detention, but I don’t see any charges enumerating the laws he broke:

http://news.bbc.co.uk/2/hi/americas/4422825.stm