CIA Destroyed Torture Tapes

According to reports, "They were destroyed in part because officers were concerned that tapes documenting controversial interrogation methods could expose agency officials to greater risk of legal jeopardy, several officials said."

So in addition to crimes against humanity, we have conspiracy to obstruct justice. Considering that this information was extant when the 911 commission and the Judge in the Moussaoui trial specifically asked for this sort of information.