Why are 70% of serial ****ers from LA?I read the first book John Douglas put out. He was a founding member of the behavioral science unit, of the FBI, and co-founder of the term "serial ****er". in that book he stated there were anywhere from 35 to 50 serial ****ers actively ****ing in the United States. In another book I read, it stated that 7 out of 10 serial ****ers are from Orange, or Las Angeles county.