 Third, as already noted above, the agent’s beliefs can affect the objective seriousness of her act of killing. Killing someone when you have solid grounds to think that doing so is objectively permissible wrongs that person less seriously than when your epistemic basis for harming them is weaker. More precisely, killing an innocent person is more seriously wrongful the more reason the killer had to believe that she was not liable to be killed (Lazar 2015a).