her eyes. i tried to get any responses from her. it looked like her left side was the only side that was still mobile. she couldn't speak. it was mumbled. she was squeezing my hand. the tucson tragedy followed by others in aurora, colorado and, of course, newtown, connecticut have spurred efforts to control who can go into a store and buy a gun and what kind of gun they can buy. but maybe none of that will matter much longer. my next guest is spearheading technology that could soon allow you to easily make any kind of gun you want from the comfort of your own home with the simplicity of hitting print on your computer. he's been named one of "wired" magazine's 15 most dangerous people in the world. cody wilson joins me from new york. cody, you're only 25 years old. you're already one of the most dangerous people in the world apparently and the subject of a new documentary called "print, fire, shoot." why do people think you're so terrifying? >> i think the spirit of terrorism is plain in what we're doing. i understand why people might be terrified. we're using the banality of