How is that a deflection? Excluding gang violence from mass shootings would change the number dramatically. So how could he give an accurate answer without knowing?
The definition of "mass shooting" varies and can potentially exclude gang violence. Excluding gang violence is often useful since most people don't care about criminals killing each other (which is most of gang shootings), and prefer to talking about innocent people who are shot.
I see the real reason you guys hated Kirk so much. You seem very uncomfortable confronting differing opinions. That's not politically healthy.