Furthering the mission or having fun : lax travel policies cost DHS millions : hearing before the Subcommittee on Management, Investigations, and Oversight of the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, February 4, 2010.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.