; (2) assessing how and why those countries are producing such drugs; and (3) describing measures the Secretary plans to take to reduce the flow of such drugs into the United States. 202. GAO report on international mail and cargo screening Not later than one year after the date of enactment of this Act, the Comptroller General of the United States shall submit to the Congress a report reviewing the impact of High Intensity Drug Trafficking Areas program on illicit fentanyl and fentanyl-related substances imported through international mail and cargo, including discussion of the following: (1) The volume of fentanyl and fentanyl-related substances being imported into the country by means of international mail and cargo. (2) The potential impact of increased screening for illicit fentanyl and fentanyl-related substances on— (A) deterring drug trafficking in the United States; (B) interdicting fentanyl and fentanyl-related substances that were manufactured outside of the United States and intended, or attempted, to be imported into the United States; (C) the number of Federal criminal prosecutions based on the manufacture, distribution, or possession of fentanyl or fentanyl-related substances, disaggregated by demographic data, including sex, race, and ethnicity, of the offender; (D) the charges brought in such prosecutions; (E) the impacts of prosecutions on reducing demand and availability to users