WaPo has more on unvetted Intel:

The Bush administration's prewar assertion that Saddam Hussein had a fleet of mobile labs that could produce bioweapons rested largely on information from an Iraqi defector working with another government who was never interviewed by U.S. intelligence officers, according to current and former senior intelligence officials and congressional experts who have studied classified documents.

In his presentation before the U.N. Security Council on Feb. 5, 2003, Secretary of State Colin L. Powell said "firsthand descriptions" of the mobile bioweapons fleet had come from an Iraqi chemical engineer who had defected and is "currently hiding in another country with the certain knowledge that Saddam Hussein will kill him if he finds him."

The claims about the mobile facilities remain unverified, however, and now U.S. officials are trying to get access to the Iraqi engineer to verify his story, the sources said, particularly because intelligence officials have discovered that he is related to a senior official in Ahmed Chalabi's Iraqi National Congress, a group of Iraqi exiles who actively encouraged the United States to invade Iraq.

Powell also cited another defector in his speech, an Iraqi major who was made available to U.S. officials by the INC, as supporting the engineer's story. The major, however, had already been "red-flagged" by the Defense Intelligence Agency as having provided questionable information about Iraq's mobile biological program. But DIA analysts did not pass along that cautionary note, and the major was cited in an October 2002 National Intelligence Estimate on Iraq and was mentioned in Powell's speech, officials said.

The administration's handling of intelligence alleging the existence of mobile bioweapons facilities has become part of several broad investigations now underway into the intelligence community's faulty prewar conclusions that Hussein possessed weapons of mass destruction. The Senate and House intelligence committees are conducting probes, as are the CIA and a commission appointed by President Bush.

The investigation of claims about mobile weapons labs, however, does not just cover prewar intelligence, but also includes the performance of the intelligence community well after the invasion.

Much more at link

This whole thing stunk from the onset. I'm so far out of the beltway, I may as well be on a different planet(one can dream). I never bought any of Powell's claims that he brought before the U.N. and that was before Glen Rangwala and Ibrahim al-Marashi revealed that much of the vaunted British dossier was plagiarized material. It borrowed heavily from al-Masrashi's doctoral thesis -- available online -- and two other outdated dubious sources.

Again, I am not presently, nor have I ever been involved in military intelligence. I am a gate process engineer. I have no special knowledge of intelligence issues. However, I accept nothing from persons of supposed authority. Simply because in my field, last year's process is likely a whole generation in the past. If the material is six months old, it may well be superceded.

It's a pretty geeky field, but it moves very fast.