(<a href=www.nytimes.com target=_blank>New York Times)The terrorism investigation code-named Mont Blanc began almost by accident in April 2002, when authorities intercepted a cellphone call that lasted less than a minute and involved not a single word of conversation.
Investigators, suspicious that the call was a signal between terrorists, followed the trail first to one terror suspect, then to others, and eventually to terror cells on three continents.
What tied them together was a computer chip smaller than a fingernail. But before the investigation wound down in recent weeks, its global net caught dozens of suspected Qaeda members and disrupted at least three planned attacks in Saudi Arabia and Indonesia, according to counterterrorism and intelligence officials in Europe and the United States.
The investigation helped narrow the search for one of the most wanted men in the world, Khalid Shaikh Mohammed, who is accused of being the mastermind of the Sept. 11 attacks, according to three intelligence officials based in Europe. American authorities arrested Mr. Mohammed in Pakistan last March.(...)
The officials called the operation one of the most successful investigations since Sept. 11, 2001, and an example of unusual cooperation between agencies in different countries. Led by the Swiss, the investigation involved agents from more than a dozen countries, including the United States, Pakistan, Saudi Arabia, Germany, Britain and Italy.(...)