In the sort of twist peculiar to national security investigations, the CIA has referred a criminal investigation to the FBI over public disclosures made by a former CIA agent about the interrogation of Abu Zubaydah, at the same time that the FBI and CIA are engaged in an institutional struggle over the legality and efficacy of the interrogation techniques used on Abu Zubaydah.

Confused? Spencer Ackerman sorts out the conflicting interests at stake.