And you are right, you probably would feel at least a little threatened but I think it's obvious Trayvon was not threatened. After all, Zimmerman was walking back to his truck, he even had his keys out and holding them in his hand. You wouldn't be holding your keys if you were trying to confront a possible criminal. Trayvon then engaged Zimmerman and escalated the situation into a violent crime. Trayvon was walking behind the townhomes already and could of just kept walking to his father's house but chose not to.