Contractors, site and government managers were aware that security equipment was broken before the three activists broke in, but nothing was done to correct the errors.

A former security officer at a U.S. consulate in China pleaded guilty to attempting to pass secrets about the building's security systems to a Chinese spy agency. 

Eleven people were shot Friday morning, including the suspected shooter, in front of the Empire State Building in New York. 

Hiring a single security officer helped to improve the image and presence of the Oxford Business Improvement District, as Miguel Jimenez now serves as the downtown ambassador.

A bag containing an IED was left for 21 days under a guard desk at a Detroit government guilding housing the FBI.

Twenty neighborhoods in Atlanta and at least four in Detroit have hired private guards to patrol after municipal services are being cut because of financial and economic problems. 

The Energy Department is replacing guards and supervisors on duty last week when three peace activists breached perimeter fences at the "Fort Knox of uranium."

Hundreds of pieces of riot gear have been ordered for federal agents assigned to protect U.S. government buildings during the Republican National Convention.