Gun violence in PG-13 movies has more than tripled since 1985 (Entertainment Weekly, November 11th, 2013)
Top PG-13 movies now have more gun violence than R rated films, study finds (The Guardian, November 11th, 2013)
Study: Today’s PG-13 movies more violent than ’80s R-related movies (Inquirer.com, November 11th, 2013)
New study shows PG-13 movies have more of the gun violence families love than R-rated ones (A.V. Club, November 11th, 2013)