Decades before groups like the Invisible Institute were pushing for police accountability, Mary Powers and Citizens Alert were thorns in bad cops' sides.
The reported front-runner in the search for Chicago's next police superintendent is a national voice on public safety. But residents of DeKalb County, Georgia, say he's failed to fix a police department sorely in need of reform.
After a drive-by shooting on North Ashland in 2011, an off-duty officer shot 16 times at the wrong car, according to the Independent Police Review Authority.