If someone was watching me from their vehicle ... then still watching me exited the vehicle ... I'd sure get out of the area in a hurry too. Just sayin'.
You’re in some else’s neighborhood you don’t live in and are just visiting. You have a resident of that gated community who is keeping an eye on you because of the rash of burglaries in the neighborhood. Is there a law against that? Do you assume that the residents of that gated community have an evil intent because they are watching you especially because you might be acting a little suspicious?
After Mr. Martin ran away he came back and attacked Mr. Zimmerman. Have you not figured that out from the 911 calls and the police reports?