The Providence Police Department has served New England's second-largest city from its beginnings in 1651 with the appointment of a town sergeant to today's force of nearly 500 men and women. Officially established in 1864, policing in Providence has changed considerably from the days of night watchmen armed with handheld rattle alarms and nightsticks. Whether quelling the violent street riots of 1914, enforcing Prohibition, or fighting the New England mob, the PPD has evolved to meet the complex challenges posed by the city. It also boasts a history of leadership among the nation's law...