As the DOJ’s Bureau of Justice Statistics explains, “The United States uses two national data collection systems to track detailed information on homicides.” These consist of:
- death certificates collected by the states and compiled by the CDC.
- reports by local law enforcement agencies compiled by the states and aggregated by the FBI, which also generates estimates for agencies that don’t report.
Death certificates have always provided broader and more accurate data than the FBI’s figures, but the gap between them has grown sharply under the Biden administration. This may indicate that local law enforcement agencies, states, and/or the FBI are undercounting murders.
Furthermore, the Biden administration FBI inexplicably revised its pre-Biden murder data all the way back to 2003, elevating the counts in certain years by up to 7%. The FBI made these unprecedented alterations without so much as a footnote to inform the public.