Terrorist Trials in New York

Not so much a post, but rather a question...

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In U.S. Courts a suspect is presumed innocent until proven guilty. All of the our investigative procedures (evidence collection...), arrest procedures (Miranda... ), and court procedures are focused on preserving this legal perspective. How can a war criminal be seized outside of our boarders, by people who are not trained in the intricacies of our legal system (non-law enforcement types) put together a case that will hold up in a U.S. criminal court?

How will the 9/11 bombers get a fair trial in New York? Who will be on the Jury? Do these criminals have peers in New York (I hope not)? If the U.S. puts these individuals on trial with a pre-determined outcome as is being indicated by Mr Holder, will this be a legitimate court or a kangaroo court?