Detective is a 1997 novel by Canadian writer Arthur Hailey, the author's last book.

He is a religious fanatic and he starts killing people feeling that he is the avenger of God.

Miami Police Detective Sergeant Malcolm Ainslie and his team start to investigate the murders.

Malcolm suddenly finds himself facing a situation where a copy cat killer is roaming around free.

[4] Detective (also known as Arthur Hailey's Detective) was adapted into a television movie in 2005, directed by David S. Cass Sr., and with a cast that included Tom Berenger (as Malcolm Ainslie), Cybill Shepherd (as Karen Ainslie), Annabeth Gish (as Cynthia Ernst), Rick Gomez (as Detective Rodriguez), Frank Whaley (as Brewmaster), Wanda De Jesus (as Sanchez), J. Karen Thomas (as Ruby Bowe), Charles Durning (as Max Ernst), Sean O'Bryan (as Elroy Doil), and Rutanya Alda (as Judge Agannis).