; (4) require that the United States attorney designate not less than 1 assistant United States attorney to prosecute violations of Federal firearms laws; (5) provide for the hiring of agents for the Bureau of Alcohol, Tobacco, Firearms, and Explosives to investigate violations of the provisions referred to in paragraph (2), United States Code, relating to firearms; and (6) ensure that each person referred to the United States attorney under paragraph (2) be charged with a violation of the most serious Federal firearm offense consistent with the act committed. (c) Covered jurisdictions (1) In general Subject to paragraph (2), the jurisdictions specified in this subsection are— (A) the 10 jurisdictions with a population equal to or greater than 100,000 persons that had the highest total number of homicides according to the uniform crime report of the Federal Bureau of Investigation for the most recent year available; (B) the 5 jurisdictions with such a population, other than the jurisdictions covered by paragraph (1), with the highest per capita rate of homicide according to the uniform crime report of the Federal Bureau of Investigation for the most recent year available