Copycat is a 1995 American psychological thriller, starring Sigourney Weaver, Holly Hunter and Dermot Mulroney. The film was directed by Jon Amiel, with a score composed by Christopher Young.
When a new series of murders spreads fear and panic across her home city of San Francisco, Inspector M.J. Monahan Hunter and her partner Reuben Goetz Dermot Mulroney solicit Helens expertise. Initially reluctant, Helen soon finds herself drawn into the warped perpetrators game of wits.As the murders continue Helen realizes that the elusive assailant draws inspiration from notorious serial killers, including Albert DeSalvo, The Hillside Strangler, David Berkowitz, Jeffrey Dahmer, and Ted Bundy. When the murderer begins contacting and even stalking Helen, she and M.J. realize that he is after them, and they enlist the aid of Cullum, who tells them what he knows about the killer. Helen soon realizes that the Copycat Killer has been following the list of serial killers in the same order as she had presented them in her lecture at the university on the night of her attack, and the two work to figure out where and when he will strike next. Unfortunately, Reuben is later killed in an unrelated shooting incident at the police station, leaving only M.J. to continue the search for the serial killer. ........
Source: Wikipedia