Intelligence sources from three countries have warned him to be careful.
And that is, in the person of Osama bin Laden, the United States had in its grasp the single greatest intelligence source from an enemy in perhaps a half century, unarmed and posing no threat to American forces.
That has changed, said John Ashcroft, the attorney-general; the Bush administration increased financing for counter-terrorism.The problem, in his view, was "the wall"—the legal separation between intelligence analysts and criminal investigators, erected to protect intelligence sources from being exposed in court.
In the absence of agents (human intelligence or Humint) within the Damascus regime, it is likely that the bulk of secret intelligence relied on will be sourced from signals intelligence (listening to phone calls, radio messages and so on), known as Sigint.
British officials said they gleaned information about the meeting and its location from intelligence sources inside the city and from prisoners of war.
The Shabab fighters were standing in formation at a facility the Pentagon called Camp Raso, 120 miles north of Mogadishu, when the American warplanes struck on Saturday, officials said, acting on information gleaned from intelligence sources in the area and from American spy planes.
"There will be intelligence sources coming from security and from cleaning for example - these are functional areas that have been involved in anti-doping in previous games, we will be educating those personnel in those functional areas so that if they should come across behaviours that are untoward they share that information with us".
They had learned this not from national intelligence sources, but from a novel: Tom Clancy's "Debt of Honor," published in 1994, in which an airliner is flown into the Capitol building in Washington, D.C., nearly wiping out America's political leadership.
According to White House officials, President Reagan approved a plan to engage Libyan forces in the Gulf of Sidra after receiving reports from intelligence sources in the Middle East and southern Europe.
Berger said he knew from intelligence sources that the Saudis were trying to persuade the Iranians that the United States wouldn't retaliate if the Iranians would hand over more suspects.
There was also some question as to whether there was enough evidence, absent information gathered from intelligence sources, to bring a traditional criminal prosecution that could be won in court.
