You don't use deadly force to retrieve the stolen goods; you use regular force to retrieve them (at a level supported by your insurer, which is far below the li

You don't use deadly force to retrieve the stolen goods; you use regular force to retrieve them (at a level supported by your insurer, which is far below the limits of the law), and then use deadly force if the thieves threaten your life in the course of doing so. (Even the police are not supposed to be using deadly force to apprehend property crimes; the justification for deadly force is officer safety or the safety of others.)