Horowitz used to be a dyed-in-the-wool red diaper baby. Brought up by communists to be a good lefty, he "saw the light" when the Black Panthers killed one of his friends.
Thank you and who would know these people better than one who use to be one of them? Study their tactics, read their mentors, get into their minds and then use and throw back their tactics back at them. If we keep insisting on using our: LET’S ALL GET ALONG RULES, WE WILL BE CREAMED.
After his friend got murdered, his viewpoint got adjusted, and he essentially asked his friend "When you introduced me to these people, couldn't you have told me a few important details about them? Like, oh, THAT THEY WERE A BUNCH OF PSYCHOPATHS!?!?!"
Once he started questioning his assumptions, one thing led to another.