Tom Cruise starred in the 2012 movie "Jack Reacher," which was rated PG-13. Gun violence in PG-13 movies has exploded since the rating was introduced in the mid-1980s, according to a new study.

Tom Cruise starred in the 2012 movie "Jack Reacher," which was rated PG-13. Gun violence in PG-13 movies has skyrocketed since the rating was introduced in the mid-1980s, according to a new study.
Paramount Pictures
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