Fatal Exposure (1989)

The great grandson of the infamous Jack The Ripper is a photographer who murders women in bizarre ways. He photographs them and drinks their blood in order to increase his sexual potency. One day, he meets the girl of his dreams to carry on the family name, but he uses her to lure in more female models to murder and add to his collection. With the body count rising, Erica is unaware of her new boyfriend's hobby, and soon he starts making mistakes.