Dressed to Kill is a 1980 American erotic psychological thriller film written and directed by Brian De Palma, and starring Michael Caine, Angie Dickinson and Nancy Allen. It depicts the events leading up to the brutal murder of a New York City housewife before following a prostitute who witnesses the crime, and her attempts to solve it with the help of the victim's son. It contains several direct references to Alfred Hitchcock's 1960 film Psycho.