U.S. e-mail monitoring leads to arrest
A computer hacker who allowed himself to be publicly identified only as ''Mudhen'' once boasted at a Las Vegas conference that he could disable a Chinese satellite with nothing but his laptop computer and a cellphone.
The others took him at his word, because Mudhen worked at the Puzzle Palace -- the nickname of the U.S. National Security Agency facility at Fort Meade, Md., which houses the world's most powerful and sophisticated electronic eavesdropping and anti-terrorism systems.
It was these systems, plus an army of cryptographers, chaos theorists, mathematicians and computer scientists, that may have pulled in the first piece of evidence that led Canadian authorities to arrest an Ottawa man on terrorism charges last week.