; (2) detect, prevent, investigate, and respond to terrorism and violations of law related to border security; (3) facilitate collaboration among components and offices within the Department and international partners; (4) execute coordinated activities in furtherance of border security and homeland security; and (5) enhance information-sharing, including the dissemination of homeland security information among such components and offices. (c) Composition and location of IBETs (1) Composition IBETs shall be led by the U.S. Border Patrol and may be comprised of personnel from— (A) other subcomponents of U.S. Customs and Border Protection; (B) U.S. Immigration and Customs Enforcement, led by Homeland Security Investigations; (C) the Coast Guard, for the purpose of securing the maritime borders of the United States; (D) other Department personnel, as appropriate; (E) other Federal departments and agencies, as appropriate; (F) appropriate State law enforcement agencies; (G) foreign law enforcement partners; (H) local law enforcement agencies from affected border cities and communities; and (I) appropriate tribal law enforcement agencies. (2) Location The Secretary is authorized to establish IBETs in regions in which such teams can contribute to IBET missions, as appropriate. When establishing an IBET, the Secretary shall consider— (A) whether the region in which the IBET would be established is significantly impacted by cross-border threats; (B) the availability of Federal, State, local, tribal, and foreign law enforcement resources to participate in an IBET