; (2) provide for coordination with State and local law enforcement officials in the identification of violations of Federal firearms laws; (3) provide for the establishment of agreements with State and local law enforcement officials for the referral to the Bureau of Alcohol, Tobacco, Firearms and Explosives and the United States attorney for the district in which the jurisdiction is located for prosecution of persons arrested for violations of section 922 or 924 of title 18, United States Code, or section 5861 of the Internal Revenue Code of 1986, relating to firearms; (4) ensure that each person so referred be charged with a violation of the most serious Federal firearm offense consistent with the act committed, while preserving prosecutorial discretion; (5) provide for the hiring of agents for the Bureau of Alcohol, Tobacco, Firearms and Explosives to investigate violations of the provisions of law specified in paragraph (3); and (6) provide for the establishment of multijurisdictional task forces, coordinated by the Executive Office of the United States attorneys, to investigate and prosecute illegal straw purchasing rings that purchase firearms in one jurisdiction and transfer them in another. (c) Covered jurisdictions (1) In general Subject to paragraph (2), the jurisdictions described in this subsection are— (A) the 15 cities or jurisdictions within the 50 States with a population equal to or greater than 100,000 persons that had the highest per capita rate of gun-based homicides according to the uniform crime report of the Federal Bureau of Investigation for the most recent year available