IIRC, there was an anti-cop activist in Arizona (I believe) who, after his ranting about how bad the cops were and they were shooting everyone, got invited to go through the shoot/no shoot simulator that the police had. When he came out, he had been completely humbled and was profusely apologizing to the police for the level of their expertise.
Maybe you saw that On Blue Bloods TV.
Real world liberals are unable to be persuaded with facts.
