Is this phrasing because they don't want to disclose if the diplomat was male or female, or is this one of those non-binary or multiple-personality people? Language is getting hard to follow.
Now as for conspiracies who knows. Could be #diedsuddenly. Could be natural causes. Could be drugs. Could be suicide. Could be lovers dispute. Botched robbery. Could be assassination but there are a lot of assassins in the world could be Israeli, Arab, or maybe even Russian!
Who die and in whose arms did they die?