Despite recent disclosures, FBI says there’s ‘no credible evidence’ . In the wake of reports that al Qaeda had targeted and then rejected Bay Area bridges and several other national landmarks for the Sept. 11 attacks, counterterrorism agents are trying to determine whether a threat to the Golden Gate, Bay and San Mateo bridges still exists. Mark Mershon, the special agent in charge of the FBI’s Northern California field office, said at this time there was no credible threat to Bay Area bridges. But Kahlid Shaikh Mohammed, a high-ranking member of al Qaeda captured earlier this month in Pakistan, told investigators during his first week in captivity that terrorists had had their eye on the three local bridges. In addition, he listed the Sears Tower in Chicago, the Israeli Embassy in Washington and the White House as potential targets. Full Story