A famous legal case defining what is and isn’t allowed for defense of property, specifically about lethal booby traps to stop trespassing. It basically says that you can’t use lethal force to defend property using booby traps as they are indiscriminate and therefore cannot determine if certain criteria (i.e. reasonable fear for your life) are met.
That doesn’t make sense? Hemlock causes flacid paralysis, while a sardonic grin is caused by ridgid paralysis. I really only associate sardonic grins with tetanus infections, maybe strychnine poisoning?