[Oztrich Boy]

He was following the thug, and when the 911 operator suggested he not do that, he stopped and was walking away when he was attacked.

And this is the point Lt Columbo stops at the door and says "There's just one thing I don't understand"
Time period from exiting truck to "OK" to police operator ¼ minute
Time period from then to altercation, at least 2 minutes.
And Martin's body is 1-2 minutes distance away from Zimmerman's truck.

[kabar]

When the Sanford Police Department arrived at the scene of the incident, Mr. Zimmerman provided a statement claiming he acted in self-defense which at the time was supported by physical evidence and testimony.