The annual computer hacker convention, known as DefCon, opens in Las Vegas today. The entrance fee is $150 cash, and no real names need to be given. Ten thousand people are expected to attend over the next 4 days, including member of the National Security Agency who are on the look out for new recruits. Richard George, technical director for cyber defense at the NSA, explains why DefCon is a good place to find the next generation of cyber crime fighters.