During his law enforcement career, David Putnam worked on teams for, SWAT, Narcotics, Violent Crimes, Criminal Intelligence, Internal Affairs, Detective Bureau and as child protective services coordinator.He rounded out his law enforcement career with three years in the Hawaiian Islands as a Special Agent-part of a real-life "Hawaii-50″ team.He's now retired from law enforcement and spends his time growing organic California avocados and writing, with his wife Mary and their two dogs.

His novel, The Disposables and The Replacements were both finalist for the SCIBA award. His fourth novel The Vanquished came out last February.