. >> i went to shane batista on campus who is a computer guru and is very familiar with open source software, software that is available to anybody as a free download. >> batista found a free program called g.i.m.p., or ganu image manipulation program. >> g.i.m.p. is an unfortunate acronym. pretty much feature for feature an equivalent of adobe photoshop. >> to see if it worked, he performed a forensic test on himself. >> i sat myself down and set up a web camera on the computer and took some photographs of myself at what i tried to get to be the same orientation. >> he superimposed his photo over a plastic skull. he separated both images into quadrants and looked for consistencies in the images. as he expected, there were none. >> i was able to get a creepy image that showed that that wasn't my skull, which we pretty much knew. >> batista moved on to the ultimate test. pictures of scarlett wood were superimposed over the skull of the murder victim. the similarities were immediately apparent. >> it kind of lined up pretty quickly. and so it was the ease of the fit that got me pretty confiden