NEW YORK (AP) — An Internet outlaw's decision to go to work for the FBI poured light on a secretive world where young computer experts caused havoc and where authorities say a Chicago man and others celebrated their successes as they stole hundreds of thousands of dollars with stolen credit card numbers.Court documents unsealed Tuesday revealed charges against six individuals in Europe and the United States and showed the clash between law enforcement and Internet hackers, a group of worldwide computer enthusiasts already threatening to retaliate.Law enforcement officials said it marked the