PG-13 Movies Now Actually More Violent Than R Movies, Study Says (slashfilm.com, November 12th, 2013)
Study shows 3-fold increase in gun violence in PG-13 movies since 1985 (Voice of Russia - American edition, November 12th, 2013)
Our view: Regularity of shooting violence mirrors rise in movie gun scenes (The Bristol Press (CT), November 12th, 2013)