Email Record: Border security : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session : The effects of border insecurity and lax immigration enforcement on American communities, March 1, 2017; Improved border security and public safety, April 5, 2017; Border insecurity, the rise of MS-13 and other transnational criminal organizations, May 24, 2017.