John Dimaggio

About the Author

John Dimaggio is a veteran chronicler of Chicago's gritty underbelly, drawing from decades of firsthand experience as a police detective sergeant to illuminate the raw realities of law enforcement in the turbulent decades of the 1960s, 1970s, and 1980s. Born and raised in the Windy City, Dimaggio patrolled its streets during an era marked by social upheaval, organized crime, and relentless urban challenges, experiences that infuse his writing with unfiltered authenticity and sharp insight. In his acclaimed work, SARGE!: Cases of a Chicago Police Detective Sergeant in the 1960s, ’70s, and ’80s, he recounts harrowing true stories of pursuit, justice, and human resilience, offering readers a vivid portal into a bygone time when the badge was both shield and burden. Dimaggio's narratives blend procedural detail with poignant reflections on the cost of duty, making him a compelling voice for those fascinated by the intersection of history and heroism.