Peter Decker is a fictional character created by author Faye Kellerman. He is a detective with the Los Angeles Police Department and is known for his strong moral compass and dedication to solving crimes. Decker often grapples with personal and professional challenges, making him a relatable and complex character. Throughout the series, Decker is often accompanied by his wife, Rina Lazarus, who provides emotional support and insight. Together, they navigate various mysteries and explore themes of faith, family, and justice, making the stories engaging for readers who enjoy crime fiction.