In August 2004, as a routine court procedure, the FBI provided the lawyers and defendants with documents relating to the trial. The FBI's lawyers accidentally released a document that showed the government had used logs of conversations between the lawyers and their clients, Soliman al-Buthi and the organization, to categorize Al-Haramain as a terrorist group. The catch is that the logs were obtained without a warrant.
Full story: Potential Evidence Surfaces of Bush's Illegal Spying
Note: Potential Evidence Surf...
broke
numerous details
extent
Potential Evidence Surf...

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<a href="http://www.cnn.com/2005/POLITICS/12/17/bush.nsa/">http://www.cnn.com/2005/POLITICS/12/17/bush.nsa/</a><br />
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He said he authorized the wiretaps. On the record. What more evidence do you need? The only real question is the debate around how illegal this is - and that's before congress now. Maybe they'll impeach him (fat chance so long as the Senate and Congress are owned by Republicans).