Ok,here is MY take on this. The dead man was not a resident of that neighborhood. This means any people that are residents will be suspiscious of some outsider jogging through.
This is especially true when it comes to constuction sites,and people looking to steal tools or building supplies.
The early reports I read indicated that some building supplies HAD been stolen at some earlier time.
Then,here comes this guy who is NOT a resident of the neighborhood,going inside a house under construction,and looking around. THAT is indisputable because I have seen the film.
Who is to say he wasn't casing the joint to see if there was anything worth stealing,and planning on coming back at 3 AM to steal it ?
Then,these three decided to stop and question him,and instead of stopping and explaining what he was doing there,he attacks the guy with the shotgun,pretty much forcing him to shoot.
IF he were innocent of everything including intent,WHY didn't he just tell them to call the police and let them sort it out,instead of trying to take the shotgun away?
If YOU were innocent,would YOU have tried to take the shotgun away,or would you have told them to call the police?
The fact that he didn't do that leads me to believe that he may have taken part in the earlier thefts,and was afraid the police would find evidence of this in his house.
Admittedly,the guys screwed up by having a shotgun. The problem with that is if pushed,you shoot,and there ain't no taking that back. Having concealed weapons would have been a much better idea. Chances are he would have just ran away,and then they could have let the police worry about it.
At a MINIMUM,it would have been a warning to him to stay out of the neighborhood because they were "on to him",and chances are that is exactly what he would have done.
The whole damn thing was lose/lose from the minute they tried to "capture him" by holding a weapon on him. It would have been different if they had film of him going into an occupied house and removing items,but all they had was the tresspassing in an unoccupied house thing,where he is standing inside the garage and looking around.
Hell,he wasn't even breaking in because the garage doors hadn't been installed yet. All he was doing was tresspassing.
Bad judgement all around from everybody involved.