WASHINGTON (CNN) -- The Albanian criminal enterprises, operating largely in New York and other Eastern seaboard cities, represent a major challenge to federal agents because of their propensity for violence and brutality, the officials said. "They are a hardened group, operating with reckless abandon," said Chris Swecker, the newly named FBI assistant director for the Criminal Investigative Division...Officials said ethnic Albanians from Kosovo, Macedonia and Montenegro are included in the clans and crews that emerged in the organized crime world.... ... Although no terrorism connection has been discovered, the FBI says it is closely watching to see whether the militant...