I dunno, why go through the trouble of deathraying them towards the same goal? To send a message? To test it out? Could be anything. Poisoning is not that hard

I dunno, why go through the trouble of deathraying them towards the same goal? To send a message? To test it out? Could be anything. Poisoning is not that hard when you're a nation state. Light coat of magic dust on your door handle is just one of many methods.