When I was younger I watched this movie a guy goes to visit an old friend and stay over his and he shows him this telescope face there neighbors house that at the same time everyday the neighbor walks around the house dancing naked and he would watch everyday and one he notice a mysterious mans that murders the lady walking around naked police think it was the husband but the man saw it wasn't and gets framed

Body Double (http://www.imdb.com/title/tt0086984/reference)

When Melanie Griffith was hot, before she destroyed herself with plastic.