Expert Suspiciously Reverses Stance On Doctored Al-Qaeda Tapes:

"As we reported yesterday, Krawetz's most telling discovery came in the form of a detail contained in a 2006 Ayman al-Zawahiri tape. From his analysis he concluded that the As-Sahab logo (the alleged media arm of Al-Qaeda) and the IntelCenter logo (a U.S. based private intelligence organization that 'monitors terrorist activity') were both added to the video at the same time."