On the border and in the line of fire [electronic resource] : U.S. law enforcement, homeland security, and drug cartel violence : hearing before the Subcommittee on Oversight, Investigations, and Management of the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, first session, May 11, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.
