Senate Judiciary Committee Chairman Sen. Jeff Sessions (R-AL) makes opening remarks to a panel of Department of Homeland Security officials John Wagner, deputy assistant commissioner of the U.S. Customs and Border Protection’s Office of Field Operations; Anh Duong, director of Border and Maritime Division of Homeland Security’s Advanced Research Projects Agency; Craig Healy, assistant director of Immigration and Customs Enforcement’s National Security Investigations Division; and Rebecca Gambler,director of Homeland Security and Justice Issues of the U.S. Government Accountability Office, as they testify about the unimplemented biometric exit tracking system before the Senate Subcommittee on Immigration and the National Interest, in Washington, D.C., Jan. 20, 2016. (CBP Photo by Glenn Fawcett)