Parents of Nancy Davis called her ' ` ` with unspeakable violence '' High school senior was shot at 13 by a classmate , who then killed himself . Pierson 's parents issued a statement last week . Karl Davis had been seeking revenge against a librarian , police say .
Parents of Nancy Davis called her ' ` ` with unspeakable violence '' High school senior was shot at 13 by a classmate , who then killed himself . Karl Davis had been seeking revenge against a librarian , police say .