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 confident at the outset that we were on the right track. >> it seemed possible that the victim was scarlett wood, although investigators still weren't 100% certain. but at least they had somewhere to start. the 88th southern parallel. we had traveled for over 850 miles. my men driven nearly ma