From The Washington Examiner:

Two anti-gun professors wrote in the Washington Post that “campus-carry laws will invite tragedies on college campuses, not end them.” Another liberal professor, writing for the New York Times, warned that “when there are more guns around, there is more risk – it’s as simple as that.”
The trouble with such predictions is that they tend to be tested as time goes by. And as it turns out, they simply weren’t true. Students just aren’t waging the gun battles that anti-gun activists expected. A new report from the College Fix looked into this narrative, and it came up empty.