Player Embed Code: Download Embed Share Defense Leaders Speak at House Oversight Hearing Defense.gov June 26, 2024 | 01:27:11 A subcommittee of the House Oversight and Accountability Committee hears testimony on the Defense Department’s security background check system. Testifying before the Government Operations and the Federal Workforce Subcommittee are: David Cattler, director of the Defense Counterintelligence and Security Agency, and Alissa Czyz, a director in the U.S. Government Accountability Office defense capabilities management team.