Then you actually agree with me. Regardless of whether or not we think they are a good idea, the "secret terror tribunals" were established as a blatant attempt to circumvent international law (and U.S. law, too) and give the U.S. government the ability to conduct trials for people over whom it has absolutely no jurisdiction.
The "Federal indictment" that the daughters referred to cannot be acted upon. They have to send Abbas to Gitmo because any attempt to prosecute him in the United States will end up with the case thrown out of court and the prosecution laughed out of the courtroom.
Any attempt at a legitimate prosecution of this guy under the "secret tribunals" established in the Patriot Act would be a clear case of trying someone under ex post facto conditions. In the United States, you can't pass a law in 2002, then use it to prosecute someone for a crime committed in 1985.