; and (3) by adding at the end the following: (C) Aliens associated with criminal gangs or cartels (i) In general Except as provided in clause (ii), the Secretary of Homeland Security shall not parole into the United States an alien described in section 212(a)(2)(J). (ii) Exception The Secretary of Homeland Security may parole into the United States an alien described in section 212(a)(2)(J) if— (I) the alien is assisting or has assisted the Government in a law enforcement matter, including a criminal investigation; and (II) the presence of the alien in the United States is required by the Government for purposes of such assistance. . (j) Applicability The amendments made by this section shall apply to conduct that occurs before, on, or after the date of enactment of this Act. 6. Border access roads (a) Construction (1) In general The Secretary shall commence and complete the construction of roads along the southern border to facilitate safe and swift access for U.S. Customs and Border Protection personnel to access the border for purposes of patrol and apprehension. (2) Types of roads The roads constructed under paragraph (1) shall include— (A) access roads; (B) border roads; (C) patrol roads; and (D) Federal, State, local, and privately owned roads. (b) Maintenance The Secretary, in partnership with local stakeholders, shall maintain roads used for purposes of patrol and apprehension. (c) Policy guidance The Secretary shall— (1) develop policies and guidance for documenting agreements with landowners relating to the construction of roads under subsection (a), as the Secretary determines to be necessary; (2) share the policies and guidance developed under paragraph (1) with each Border Patrol Sector of U.S. Customs and Border Protection; (3) document and communicate the process and criteria for prioritizing funding for operational roads not owned by the Federal Government