Author Rita Katz can testify about links between various web sites, but her testimony can't be the basis for introducing any exhibits about those sites into evidence, Judge Edward Lodge has ruled.

Katz originally had been proposed as an expert witness, but instead is testifying merely as a fact witness. That means she can't give opinions or conclusions on any legal issues, and can only talk about what she's seen. She's assisted with the Sami Al-Hussayen investigation as a paid consultant to the U.S. Attorney's office.

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