For the average person, the brain of a Serial Killer is difficult to fathom. What drives such a person? How does he or she come to his actions? Through films, whether or not romanticized, we get to know something about these people.

10. Monster

9 Manhunter

8. Henry: Portrait of a serial killer

7 American Psycho

6. Natural Born Killers

5. Saw

4. Zodiac

3. Psycho (1960)

2. Seven

1 The Silence of the Lambs