This is a comprehensive and important report – it summarizes several prior reports and should be essential reading. Emergency Management: FEMA Has Made Progress, but Challenges and Future Risks Highlight Imperative for Further Improvements. GAO-19-617T; released: Jun 25, 2019. For those researching recent disasters in Puerto Rico and the U.S. Virgin Islands, there is quite a bit of coverage in this report.
Update on June 28: 2017 Disaster Relief Oversight: Strategy Needed to Ensure Agencies’ Internal Control Plans Provide Sufficient Information. GAO-19-479: Published: Jun 28, 2019. Publicly Released: Jun 28, 2019.
This report deals with DHS and OMB primarily.