First thing having read the last few pages, I have to say I feel that it's a sad inditement on a society when people feel they have to carry firearms to protect them from other members of that society.
Perhaps in a society where everyone is out to get each other. However the fact is, even if you are fearful, having someone following you is not an reasonable excuse to attack them.
This goes to show the lengths that some people are willing to go to try and bais the argument. There is zero evidence that GZ's following was a form of intimidation or even causes intimidation. Having said that, even if you are being followed and feel intimidated by that, it's still not a reasonable excuse to attack someone.
Again I have to disagree. There is no reason to believe that the gun would come into play at any point, just because he followed (and then lost) TM. If he had run after TM with the gun out wwaving it in the air, that'd be reckless, but without the 20/20 hindsight that one side seems to be displaying, there is no reasonable senario where GZ will draw the gun and use it simply because of following TM. Note here the word "reasonable". There are senarioes (obviously because one happened) but that all rely on unreasonable actions from either one or both parties involved. Merely carrying a concealed gun and following someone is not a reckless action.
Which would be an unreasonable action depending on how they objected to being followed. If they objected to his following by telling him to "F-Off" totally unreasonable to shoot them. If they attacked him in a manner that made him believe that they meant to disable or kill him, then it becomes a totally reasonable action.
See the problem here is that like most people you want to skip a step. You go from "GZ gets out of car and follows TM" directly to "GZ kills TM" and ignore what happened in the middle of that. The first step does not lead directly to the second, it requires a third middle step, and that is the vital one because that determines what happened and if the shooting was justified. One could just as easily point out that either hiding and waiting for someone who you think is following you, and then approaching them in what could be taken as an aggressive manner, or losing them and then going back looking for them, can also both be called reckless behaviours and had TM not done whichever he did, the shooting would never have occured.