Clancy Brown shadowed NYPD homicide detectives for two weeks. Jamie Lee Curtis also took part in several weeks at the NYPD Academy, including its firearms training.
Jamie Lee Curtis revealed that the original script asked her to do the gunfight scene au naturel. "It was written as a nude scene, but I said no way was I going to run around with a gun in my hand in the nude. Everyone would be watching my breasts flopping around instead of watching the scene," Curtis said.
Jamie Lee Curtis plays a rookie police officer. In real life, Curtis was originally going to be a police officer before becoming an actress.
In Germany, it was distributed as "a film from Oliver Stone," even though Oliver Stone was only one of the movie's producers.
According to co-screenwriter Eric Red, this movie "is just a female version of The Hitcher (1986)" (which Red also wrote).