; (2) describes the effectiveness of BTTF in fulfilling the purposes specified in subsection (b); (3) identifies and assesses the impact of certain challenges on the sustainment of cross-border BTTF operations and planned corrective actions; (4) identifies and assesses costs associated with BTTF units broken down by relevant categories designated at the Secretary’s discretion; (5) identifies ways to support joint training for BTTF stakeholder agencies; (6) identifies and assesses ways BTTF, IBET, and Border Enforcement Security Task Forces can better align operations, including interdiction and investigation activities; and (7) identifies and assesses gaps in BTTF technological capability to detect cross-border tunnel threats. . (b) Clerical amendment The table of contents in section 1(b) of the Homeland Security Act of 2002 is amended by inserting after the item relating to section 419 the following new item: Sec. 420. Border Tunnel Task Forces. . 4. Border Enforcement Security Task Force updates (a) Updated purpose Subsection (b) of section 432 of the Homeland Security Act of 2002 ( 6 U.S.C. 240 ) is amended— (1) in paragraph (1), by striking and after the semicolon at the end; (2) in paragraph (2), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following new paragraph: (3) detecting, investigating, preventing, and responding to terrorism, transnational criminal organizations, and other violations of law related to border security. . (b) Updated considerations for establishment of units Paragraph (2) of section 432(c) of the Homeland Security Act of 2002 ( 6 U.S.C. 240(c) ) is amended— (1) in the matter preceding subparagraph (A)— (A) in the first sentence, by striking jurisdictions and inserting regions ; (B) by striking Before and inserting When ; and (C) by striking shall consider and inserting shall apply risk-based criteria that takes into consideration ; (2) in subparagraph (B), by inserting and after the semicolon at the end