While you are right that gender is a very strong predictor, you are wrong about race, according to CNN[1].
> white people ... committed some 64% of the shootings ... Black people committed close to 16% ... Asians were responsible for around 9% ... Latinos are almost nowhere to be seen
> whites and blacks are pretty proportionate to their population
No, the cop on the show explained his reasoning that he expected a young white male. Cops are taught that active shooters are predominantly young white males. You can argue statistics, but the officer in the piece specifically said he was looking for a man, not a woman.
