FULL SPECTRUM CULTURE

“…But more interesting were the examples Krawetz gave of al Qaeda images. Krawetz took an image from a 2006 al Qaeda video of Ayman al-Zawahiri (above right), a senior member of the terrorist organization. The image shows al-Zawahiri sitting in front of a desk and banner with writing on it. But after conducting his error analysis Krawetz was able to determine that al-Zawahiri’s image was superimposed in front of the background — and was most likely videotaped in front of a black sheet.

Krawetz was also able to determine that the writing on the banner behind al-Zawahiri’s head was added to the image afterward. In the second picture above showing the results of the error level analysis, the light clusters on the image indicate areas of the image that were added or changed…”