[Jonty30]

The kid was not on the property at the time of the incident. I’m not aware of any state where castle doctrines apply off property.

[Conscience of a Conservative]

The kid was not on the property at the time of the incident. I’m not aware of any state where castle doctrines apply off property.

That, and I'm not aware of any state where castle doctrines (or, in this case, stand your ground laws) apply simply because a person does not "look[] like he belonged in the neighborhood."

[VeniVidiVici]

Florida has no duty to retreat. On or “off property”.

http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&Search_String=&URL=0700-0799/0776/Sections/0776.013.html