"Think Progress is claiming that he was a good guy with a gun and he failed. Why is this? Because people had already been shot. And because the shooter was committing suicide as he was shot by the officer. But here's a question: Why was he committing suicide at that particular moment? Why had he decided that he could no longer achieve his likely larger goal of shooting more people … Because—and this is pretty incredible that I have to explain this—a good guy with a gun was there..."