Ted Bundy is ranked a 17 on Dr. Michael Stone’s "Scale of Evil" -
17: The Sexually Perverse
"Serial killers with some element of sexual perversion in their crimes. In males, rape is usually the primary motive and killing follows to hide the evidence. Torture is not a primary motive."
Bundy’s method of obtaining victims varied; sometimes he would burglarize their homes and bludgeon them in their sleep, sometimes he would use an elaborate ruse, and sometimes he merely relied on his looks alone. The latter method was successful for Bundy because of the fact that women considered him to be good-looking and charming. In fact, this characteristic even allowed him to successfully abduct women in broad daylight, even if they were aware that a serial killer was present in the area.