Since 1994, the Justice Department has had the power to investigate law enforcement agencies nationwide for a pattern or practice of civil-rights violations. Federal officials can then compel departments with systemic problems to enter agreements to reform. Explore the investigations by location, date, allegation or status, then click for more details about each case.
Sources: Justice Department officials and documentation; interviews with police and city officials and civil-rights groups; news reports.
This project was reported by Sarah Childress, senior digital reporter for FRONTLINE's Enterprise Journalism Group. It was built by Chris Amico and Ly Chheng from FRONTLINE, and designed by Dan Nolan and Alison Morando of WGBH Digital. Katie Worth, FRONTLINE's Tow Journalism Fellow; Sara Obeidat, FRONTLINE's Abrams Journalism Fellow; Priyanka Boghani, FRONTLINE's digital research assistant, and Robert Collins contributed reporting.