13-405. Justification; use of deadly physical
force


A. A person is justified in threatening or using deadly physical force against
another:


1. If such person would be justified in threatening or using physical force against
the other under section 13-404, and


2. When and to the degree a reasonable person would believe that deadly physical
force is immediately necessary to protect himself against the other's use or attempted
use of unlawful deadly physical force.


B. A person has no duty to retreat before threatening or using deadly physical
force pursuant to this section if the person is in a place where the person may legally
be and is not engaged in an unlawful act.