DHS Can Enhance Efforts to Protect Commercial Facilities from Terrorism and Physical Threats [open pdf - 1MB]
From the Document: "The shootings at an Orlando nightclub in June 2016 and a Las Vegas concert in October 2017 highlight the need to defend against attacks within the commercial facilities sector. Our audit objective was to determine the extent of DHS' efforts to deter and prevent terrorism or physical threats within the commercial facilities sector."
Department of Homeland Security, Office of Inspector General, Report No. OIG-20-37
Department of Homeland Security. Office of Inspector General: https://www.oig.dhs.gov/