Al-Qaida considered attacking U.S. trains on the 10th anniversary of the 9/11 attacks, according to an initial look at DVDs, computers and other documents seized at the raid on Osama bin Laden's home, NBC News reported.
The Department of Homeland Security is unveiling its new two-level terror alert system goes into effect today, replacing the color-coded version that has been in effect since 9/11.
The United States government will now use Facebook and Twitter to issue terrorism alerts. It’s also ditching the old color codes that have been in use for so many years.