Cop Crisis: This nonprofit produces data visualizations on police brutality and misconduct using data collected by others.
Crime in Texas: About 1,000 Texas law enforcement agencies voluntarily submit data monthly to the Texas Department of Public Safety, which compiles the data in an annual report.
EBWiki: This crowdsourced platform tracks the progression of fatal use-of-force cases.
Fatal Encounters: This journalist-run nonprofit seeks to collect and present all data on police killings in the U.S. since 2000.
Fatal Force: The Washington Post has tracked fatal police shootings throughout the U.S. since 2015.
Killed By Police: This site aggregates information about law enforcement-related deaths in the U.S. since 2013.
Mortality in Local Jails: Deaths in local jails as reported to the Bureau of Justice Statistics.
Mortality in State Prisons: Deaths in state lock-ups as reported to the Bureau of Justice Statistics.
Social Cognition Laboratory: Michigan State University’s Joseph Cesario examines bias in American police shootings in 2015.
The Counted: The Guardian (U.K.) analyzed fatal shootings by police of Americans in 2015 and 2016.
Uniform Crime Reporting: 18,000 departments nationwide voluntarily submit data to the U.S. Federal Bureau of Investigation’s UCR program, resulting in data sets such as the Law Enforcement Officers Killed and Assaulted and Crime in the United States.
VICE News: VICE’s database of fatal and non-fatal police shootings in the 50 largest cities in the U.S. from 2010-2016 is the result of open records requests.
Williams, H.E. et al.: Texas State University’s Williams et al found that despite federal and state data-collection efforts, many officer-involved shootings aren’t reported. Texas’ own database was missing 201 reports on deaths from Jan. 1, 2006 to Dec. 31, 2015.