On immigration and border security, GAO said U.S. Immigration and Customs Enforcement’s public detention figures fall short of the actual count by tens of thousands of individuals. GAO recommended that ICE correct its detention reporting and that CBP revise its equipment deployment plans. How Many Priority Recommendations Has GAO Identified for DHS? GAO reported that, governmentwide, 77 percent of its recommendations made five years ago have been implemented. As of July, DHS has 507 open recommendations, including the 39 priority recommendations.