The Detective (1968 film)

The Detective is a 1968 Neo Noir film directed by Gordon Douglas, produced by Aaron Rosenberg and starring Frank Sinatra, based on the 1966 novel of the same name by Roderick Thorp.

New York City police detective Joe Leland is called to the home of a murder victim who has been beaten to death and has had his genitals removed. Puzzled and disgusted, the police on call are left bemused, Leland holding things together with his direct, nononsense approach.Few leads are found, other than the fact that a housemate of the victim remains conspicuous by his absence. All the while notions about the victims sexuality and personal interests warp the ideals of the officers assigned to the task. Leland tries to remain focused on the case while, at the same time, dealing with the breakdown of his marriage to wife Karen. ........

Source: Wikipedia