Report questions effectiveness of Federal Protective Services . Plainclothes investigators test security at 10 federal buildings in 4 U.S. states . GAO agents able to detect components in restrooms , enter buildings . Once inside the facilities , the testers assembled the bombs in restrooms , put them in briefcases and `` walked freely '' into government offices , according to the Government Accountability Office . FBI spokesperson says changes occur but effects wo n't be seen for months .
Report questions effectiveness of Federal Protective Services . Plainclothes investigators test security at 10 federal buildings in 4 U.S. states . GAO agents able to detect components in restrooms , enter buildings . FBI spokesperson says changes occur but effects wo n't be seen for months .