Fencing Along the Southwest Border, Hearing Before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, First Session, April 4, 2017 [open pdf - 1MB]
This is a testimony compilation of the April 4, 2017 hearing on "Fencing Along the Southwest Border" held before the Senate Committee on Homeland Security and Governmental Affairs. From the opening statement of Ron Johnson: "In January, the president signed an executive order that, among other things, calls on the Department of Homeland Security to 'secure the southern border of the United States through the immediate construction of a physical wall on the southern border.' To fulfill this mandate, the department is seeking various proposals on infrastructure prototypes. These prototypes include both concrete walls and other materials, such as the bollard-style fencing used along parts of the border in California and Arizona today." Statements, letters, and materials submitted for the record include those of the following: David Aguilar, Ronald Colburn, and Terence Garrett.
Senate Committee on Homeland Security and Governmental Affairs: http://www.hsgac.senate.gov/