This book chronicles the development of urban policing in the Midwestern city of Decatur, Illinois in the early 20th century. Rich with local history and details of everyday life dictate how police officers apply the law on the streets of a rapidly growing industrial environment. Two line-of-duty deaths of Decatur officers are detailed, as well as the implementation of the pension system for the city's officers as a result. This book is for genealogy researchers, urban historians, Decatur, IL history buffs and those with an interest in law enforcement.