Murder in My Mind

Murder in My Mind is a 1997 science fiction crime drama film directed by Robert Iscove and starring Nicollette Sheridan, Stacy Keach, Peter Outerbridge, Peter Coyote, Ian Tracey and Peter Flemming. It was written by Tom Swale.
Plot.
When a serial killer preys on blondes, a blonde federal law enforcement officer investigating the case decides to take a drastic step. Her husband, a scientist experimenting only on lab animals, transplants brain cells from a comatose patient into the agent's brain, hoping it will stimulate memories that will help her find the killer.