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Henry: Portrait of a Serial Killer is a 1990 film crime psychological thriller film directed and co-written by John McNaughton about the random crime spree of a serial killer who seemingly operates with impunity. It stars Michael Rooker as the nomadic killer Henry, Tom Towles as Otis, a prison buddy with whom Henry is living, and Tracy Arnold as Becky, Otis's sister. The character of Henry is loosely based on real life serial killer Henry Lee Lucas.

Filmed in 1986, the movie was shot on 16mm in less than a month with a budget of $110,000.[1]

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I put this line in Google

movie guy picks up girls on highway murders them dumps them out

There were other suggestions. Try it if the above one is not what you were thinking of. wink

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