The ACLU publishes reports on racial profiling and the use of force in law enforcement. Their work also includes data and case studies on how police practices affect marginalized communities.
This site compiles data on police killings, with filters for race, location, and incident type. It provides in-depth reports on racial disparities in police violence and yearly trend, along with graphs and infographics.
This database tracks police-involved shootings in the U.S. and allows you to filter incidents by race, weapon, and other factors. It's one of the most comprehensive databases on police shootings.