A situation:

An 18 year old male meets a 19 year old female and offers to take her to breakfast at 12 AM(midnight). She agrees and gets in his car. He drives past the rest the restaurant and heads out of town, against her will. Driving at a high rate of speed and running red lights, she is unable to get out of the car.
About 45 minutes later, in the town he lives in, he is pulled over by police because of the way he is driving.

The woman runs from the car to the officer. The man is arrested for kidnapping. The woman said the man kept asking if she was frightened, and said things such as, "I feed off your fear".

My question is, what kind of a personality disorder might this be, "feeding off your fear"?

Thank you