Hearing before the Subcommittee on Criminal Justice Oversight of the Committee on the Judiciary U.S. Senate 106th Congress, Second Session June 22, 2000.
Hearing before the Subcommittee on Criminal Justice, Drug Policy, and Human Resources of the Committee on Government Reform - House of Representatives 106th Congress, First Session June 23, 1999.
Hearing before the Subcommittee on Criminal Justice, Drug Policy and Human Resources of the Committee on Government Reform - House of Representatives 108th Congress, First Session Oct. 1, 2003
Hearings Before the Committee on the Judiciary, U.S Senate on Examining the Scope of Current Threats of Terrorism to the United States and its Allies, Focusing on Explosives and Explosives Regulation, and Related Extradition, International Law, and Immigration Issues