"They cannot directly or indirectly, on camera or not for attribution, give CBS information which once broadcast creates a substantial likelihood for an unfair trial, " he said.

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Such a valuation, which comes from a source who could not speak for attribution, seems quite reasonable.

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Two senior administration officials said Tuesday that they could not speak for attribution because no final decisions had been made.

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The charity provided it on a not-for-attribution basis.

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The official was not authorized to speak for attribution because the case remains under investigation.

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The second source, a law enforcement source not authorized to speak for attribution about the investigation, also said the threat extends beyond aviation.

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In reporting on the story, not one of my sources who normally would go on the record would speak for attribution.

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