“According to the case-by-case information analyzed by the Transactional Records Access Clearinghouse (TRAC) at Syracuse University, two out of every three prosecutions were for the offense of unlawful shipment, transfer, receipt, or possession of a firearm by a felon. The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) was the lead investigative agency for 63.5 percent of prosecutions referred. The Federal Bureau of Investigation (FBI) was second with 13.2 percent, followed by referrals from state and local authorities with 8.9 percent. The Eastern District of Missouri (St. Louis) ranked first with the most weapons prosecutions filed (403) and a rate relative to its population size of almost seven times the national average. It was also ranked most active (relative to its population) during FY 2018 as well. The comparisons of the number of defendants charged with weapons-related offenses are based on case-by-case information obtained after successful litigation by TRAC under the Freedom of Information Act.”