TSA Has Not Implemented All Requirements of the 9/11 Act and the TSA Modernization Act [open pdf - 3MB]
From the Highlights: "The objective of our audit was to determine the extent to which the Transportation Security Administration (TSA) has implemented requirements of the 'Implementing Recommendations of the 9/11 Commission Act of 2007' and the 'TSA Modernization Act' to develop strategies, programs, regulations, reports, and other initiatives to strengthen transportation security."
Department of Homeland Security, Office of Inspector General, Report No. OIG-21-68
Department of Homeland Security Office of Inspector General: https://www.oig.dhs.gov/