Maybe this is the time traveler’s plan … Alcohol poisoning so no one suspects XXXYYY’s death was foul play …
Asimov once wrote a short story about two alien entities wagering which one could substantially affect earth’s future without alerting the overarching galactic policing directorate …
One of the saddest times in my life was when a dive bar I sometimes frequented that sold 7 oz. draft beers for 35 cents closed and reopened as a high end, high dollar seafood restaurant ,,,
I’m thinking the Ginger Ibis or the Swooning Sigh or …. the Sighing Ibis …