. >> boise, idaho. 21-year-old allen darnell has a brilliant idea.t specialsizes in security cameras. >> we sell a lot of different types of cameras here. but we use a small camera system that's easy to set up. >> about midnight after hanging out at this pool hall next door to computer central, darnell smashes the door with a large rock. 12 wouldn't you know it, the alarm goes off. >> most of the time, the sound and the sirens, those kind of things will scare the suspect off. this guy stuck around. >> undeterred, darnell enters the store without even disguising himself. but then he decides to cover up, the back of his head. >> we have cameras in the corners, cameras back in the back in the corners and cameras in the back rooms here and all over the store. like five or six different areas, we have cameras besides the corners too. we move them around a lot so they're hidden. >> he checks out the back of the store first. >> we had a bunch of pcs back there. but these are big and you can't get them out of here easily. >> he also pockets $250 from the reg