I used to watch it when I was young and couldn't figured out what was the meaning of the movie. I recall and old man, he would whistle a song, he was after a little girl ,she would cry and scream for her mommy and the old man after killing this little girl would throw her body down a hill by the beach, I recall her mom calling her name and running desperately around the beach looking for her little girl, in the movie this scene would repeat it self a few times. Can anyone else recall it? I thought about this movie for years and search for it too, but I don't remember actors names.

If he threw her off a cliff, I'd think it was this film:

Lady in White (1988)
Starring Lukas Haas

You can read the complete synopsis here:
Lady in White (1988) - Synopsis (http://www.imdb.com/title/tt0095484/synopsis)

And, here's another plot summary:
http://en.wikipedia.org/wiki/Lady_in_White

The man whistles "Have You Ever Seen a Dream Walking?", which is what gives him away later.

Here's Part 1 on YouTube:
http://www.youtube.com/watch?v=cqj7zk100T0