A big difference is the Black Panther Party has never killed anyone to further their vision. But again, why not compare the murderous KKK to the shit talking Panthers.
The Gunman was army and had issues coming back from Afghanistan. But PTSD can't be it. It must be he's a part of a group that he said he was not part of.
Post Traumatic Stress Disorder made a black man shoot white people? Come on, Closed. You're reaching on that one!