John White, a Pentagon appointee in the Clinton and Carter administrations, said the e-mail suggests an "unprecedented" level of involvement by senior Pentagon officials in the awarding of contracts.
The worm that infected computers at the Marine Corps headquarters at thePentagon early Friday was ExploreZip, an especially malicious virus that typically travels by e-mail, according to a Marine Corps spokesman.
On the "Today" show, Gibbs was asked about a report that the Salahis had an e-mail exchange with a Pentagon official and believed they had an invitation.