I still believe a muslim helped him blow that building. It was simply too much for one person to do. It was technically possible to do by one person, but someone showed him how to do it. There was a lot of labor involved and I believe he was helped.
Jose Padilla, "Mr. Dirty Bomb", bears a striking resemblence to the "John Doe 2" sketches.
Also, http://whatreallyhappened.com/WRHARTICLES/padillaJD2.html