writersoul:
1) It was the middle of the day and you don’t need streetlights when the sun is shining 🙂
2) He drank the punch and then poisoned it
-OR-
The punch contained some gluten and everyone else at the party had intense forms of celiac’s while he did not
-OR-
“Everyone else subsequently died of poisoning” not necessarily due to the punch, just later on in life they all happened to die from poisoning, and you seem to assume he did not die at all, in which case he happens to still be alive but eventually he will also die
Take Your Pick