Maniac Cop is a 1988 action/slasher film directed by William Lustig, and written by Larry Cohen.

McCrae gets Jack to tell him about his relationship with Mallory, who is attacked by the Maniac Cop while working undercover as a prostitute.

In the extended cut of the film, corrupt mayor Jerry Killium relaxes in his office, content the Maniac Cop is gone.

But the real Maniac Cop, Matt Cordell, is still out there taking his victims.

Refn may produce (or direct, which is less likely) a prequel to the 80s cult film Maniac Cop.

Maniac Cop, it had been called.

Maniac Cop (1988)

Variety called Maniac Cop 2 "a thinking man's exploitation film, improving on the 1988 original."

And I think we made a terrific B-movie", and also thinks its superior to the first Maniac Cop film.

Maniac Cop 2 (1990)