"I'm not looking for whether you could, Angela, only whether you would. What constitutes self-defence? Would it need to be in response to a direct threat to your life, in the heat of the moment? Or if you had warning in advance, could you kill someone with premeditation?"

She cocks her head, thinking about the zombie question. "Did you consider the zombie to be a person, with a life and desires of its own, and friends that would mourn its passing?"