This is not really my domain of inquiry, so I will yield to superior expertise if the answers to these questions are already known, but I have a feeling they have not yet been asked in a rigorous way. Various organizations have been seeking the release of photographs and documents pertaining to the torture and murder of terrorism suspects, and perhaps in those documents are some of the answers I would seek, but first it's important to articulate the right questions: I.e., those whose answers are of maximum practical relevance.
1. Where are the remains of terrorism suspects who died in captivity being kept?
Photographs and documents are key evidence, but the most important of all is in the bodies of the dead - their shattered bones, broken skin, and contorted skeletons.
2. Are efforts underway to get exhumations and independent autopsies?
Bodies that "can't be found," have "gone missing," or are determined not to correspond to the prisoner they're identified as would be every bit as revealing as those that are found with explicit evidence of torture and homicide.
3. What are all the ways that sought-after photographs and documents can be legally obtained?
Strong efforts are clearly being made to obtain them through the courts, since the Executive branch is reluctant to disclose them. What other avenues are available? Are there Congressional actions that can be taken to obtain and publicize the desired information? In what ways could people with direct access to the information be persuaded to provide it without their interlocutors being subject to criminal penalties for "enticement" (or whatever the term is), even though the people providing it would themselves be culpable? Is there a potential Daniel Ellsberg out there?
I think prosecuting anyone who releases this information would be politically untenable, so if someone does leak it as a matter of conscience, their prospects are (IMHO) good for at most very limited legal consequences. A trial of such a person would only draw more attention to the content they had released, and cause a stark and painful juxtaposition with the fact that no one who committed the crimes shown in the leaked documents was being pursued. So...how to get from here to there without running afoul of "enticement to release classified material" or whatever the statutes that apply are?
And if there is no Ellsberg in this case, then I suggest people dedicated to this subject should begin asking themselves (and their attorneys!) where the line is between investigative journalism and indictable espionage, and how close to it they're willing to tread.
Don't do anything flagrantly criminal, of course, but there are gray areas where the government would be loath to prosecute - most of the Justice Department is on our side, regardless of what it sees as necessary expedients, and those who aren't would face a dilemma about whether to draw attention to the issue.
3. Who handled the remains?
If you know this, you're half way to knowing (a)the state of the bodies at the time of death, (b)what was done with them, and (c)where they are. The reason this is important is that some of them may not have been delivered anywhere official, but rather dumped somewhere, which means that if you were to hear of such locations the bodies could be recovered and autopsied without needing permission - possibly without even making federal officials aware of what you were doing. There would be complications if it's on foreign territory, but they would be just as liberating as constraining.
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These are just questions that occur to me from time to time when I consider the current status of the torture investigation being pursued by citizens and NGOs. Perhaps it is being pursued in a more organized and strategic way than it appears from the outside, but it seems like almost all of it is occurring in courts when courts should just be a small part of it. Anyway, I can't put my attention fully on this, as my own projects are rather demanding, but I hope my perspective is helpful.
Update: I'm disgusted by the extraordinarily low quality, irrationality, irrelevance, and passive-aggressive thinking in a lot of the comments this diary has generated. We really need more serious people commenting on this subject, and fewer hate-driven professional complainers.