The hooligans in this case have a dry sense of humor or are extremely unlucky: Either way, we can't help but get a chuckle out of the fact that someone placed their smart card skimmin' faux ATM at the Riviera Hotel Casino in Las Vegas -- during DEFCON, the world's largest hacker convention. No one can say exactly how long the kiosk was there -- at least the kids were smart enough to place it right outside the security office, one of the few places in the conference center not under surveillance. It was picking up on this last fact that aroused the suspicion of Brian Markus, CEO of Aries Securit