They're always screaming. This will merely enlarge their vocabulary by a few nouns (names of the city, school, shooter, and victims).
Actually this is a moment for those of us on the Constitutional side of the issue to point out that existing gun laws did nothing but disarm the victims. Susanna Gratia-Hupp of Texas, who was with her parents when they were killed in the Luby's event, took that argument to the Texas state house and got the much-closer-to-constitutional carry laws passed