He was involved in Abu Grahib and another story, too, but I can't remember which one. It could have been the Texas National Guard docs, but I am not sure.
He reported Admiral Boorda's miswearing of medals of valor. Boorda off'ed himself.
I don't think we ever had any solid proof on the TANG thing, but I'm pretty sure it was solid on the photos. That's why I couldn't figure out why people kept apologizing for him.