LOL, I apologize if I'm giving you that impression. IIRC, I've said before that I take suspicious car/person calls every single day. I certainly don't encourage the caller to put themselves in a sticky situation, ie: I dont tell them to follow the car, the person or anything that will put them at risk of harm. I've also taken calls for active burgs, and I believe I told you about one a week or so ago. No, I'm not against the public helping LEOs. Numerous people, crimes in progress, have been thwarted by those good samaritans.
Tom, my point is simple: By all means, call the police.
But don't play hero, dont play LEO. If you wanna do what the cops do that bad, perhaps those folks should apply for the job. I may be wrong, but it seemed to me, by the earlier reports, that GZ was actively following TM, and then lost sight of him, and then made his way back to his vehicle. It was then, I believe, that TM approached GZ.