Officers heard gunshots still ringing out on the second floor, rushed up, immediately engaged and neutralized the shooter. Seems like once again, the ONLY effective solution to an active shooter is an armed and ready responder.
Also, betting that the 'female' shooter might not be biologically female. These types have been quick to respond violently these days. JK Rowling tweeted something yesterday about a Christian anti-grooming activist in New Zealand being violently assaulted by trans protestors as well as Andy Ngo being simultaneously attacked at another anti-grooming rally in California.