Leon Wilson worked at the troubled Metropolitan Detention Center in Brooklyn for decades. Prosecutors say he pursued suspects for five miles in a violent fury.

© Laylah Amatullah Barrayn for The New York Times

Footage of a group of guards punching, choking and stomping Robert L. Brooks ignited an outcry. Six guards pleaded guilty to charges, but for two, the gamble of a trial paid off.

© Cindy Schultz for The New York Times