Dead Heat

Dead Heat is a 1988 movie about an LAPD police officer, Roger Mortis (Treat Williams), killed while attempting to arrest zombies who have been reanimated by the head of Dante Laboratories in order to carry out violent armed robberies. Detectives Roger Mortis (Treat Williams) and Doug Bigelow (Joe Piscopo) are called to the scene of a rather violent jewelry store robbery. The robbers take on a squadron of police in a messy shootout, but neither seem affected when they are riddled with bullets. Thanks to the combined, albeit extreme measures of Mortis and Bigelow, they are able to take out the criminals, their acts narrowly avoiding termination. Meanwhile, a coroner friend of Roger's, Rebecca (Clare Kirkconnell) informs the detectives that the two bodies they had brought in had previously been to the morgue and inexplicably had already been autopsied on, suggesting they simply got up and left the morgue at their own volition. There is a preservative chemical compound in their bodies...