Killer Instinct, also called Homicidal Impulse, is a 1992 film written and directed by David Tausik.
A young lawyer has problems with a case that he's been working on for over a year. The district attorney's niece helps him by first blackmailing, then plotting the murder of the D.A., while having a sexual relationship with the young lawyer, who eventually discovers the truth about her.
The film received a Bâ grade from Dennis Schwartz whereas the Roanoke Times called it "well worth watching".
In Germany, Frank Trebbin-Ecke called the film "nonsense" and the director David Tausik a "dwarf brain".