Peter Decker is a fictional character created by author Faye Kellerman. He is a former police detective in the Los Angeles Police Department, 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. Rina Lazarus is Decker's wife and a key character in the series. She is a Jewish woman with a deep sense of faith and spirituality, which often contrasts with Decker's more pragmatic approach to life. Together, they navigate the complexities of their relationship while facing various criminal cases.