You might have heard of Heather McDonald, and you might have heard of her influential new book The War On Cops, which discusses the actual statistics when it comes to race and how it relates to police behavior. McDonald’s conclusions probably shouldn’t be controversial, but they are, because she has taken perhaps the most forceful position of anyone in America in calling the Black Lives Matter crowd a bunch of liars.

And in this Prager University video, McDonald lays out the case for cops as the protectors of black communities across the country, and the #BlackLivesMatter myth as doing great harm to them (as well as the truth).