He did not commit suicide. No, instead, all the movies he watched as a kid where the hero dodges bullets made him believe he was invincible and that nothing would hurt him.
In short, if one is a leftist than that person is, by default, delusional and can not comprehend consequence.
Just out of curiosity, how do you know that? Rosenbaum was mentally ill, but that’s all we know for certain. Well, that and he chased Kyle down, and tried to grab his rifle.