Some people have insisted that SYG was applied in the case as a defense through Judge Nelson’s jury instructions. This is understandable given the fact that the jury instructions state that there is no duty to retreat. The jury was told that if Zimmerman “was not engaged in an unlawful activity and was attacked in any place where he had a right to be, he had no duty to retreat and had the right to stand his ground and meet force with force, including deadly force if he reasonably believed [as above].”
However, the common law does not impose a duty to retreat. It preexisted the SYG law in most states. If it didn’t, hundreds of thousands of cases of self-defense would have had different results after people defended themselves rather than flee. Indeed, this is a point that I often made in opposing these laws: you already have the right to defend yourself and not to retreat. There are slight difference in the jury instruction among the states, including Florida, but the Zimmerman instructions reflected the general common law standard for self-defense and the justified use of force.