If you read the article you would find that very issue addressed: "After a devastating 1998 Washington Post series revealed that the city’s police department h

If you read the article you would find that very issue addressed: "After a devastating 1998 Washington Post series revealed that the city’s police department had shot and killed more people per resident in the 1990s than any other police force in a large American city, the Department of Justice entered into a memorandum of agreement with D.C. to reform its policing. “We went through a transformation with regard to use of force when Justice came in here,” Chief Newsham said. Cities that lack such accountability in their police culture may find cameras more effective, under this theory. "