Schroedinger's Cat's Revenge

One consequence of my Quantum Evolution idea is that, in some Everett universes, Schroedinger's cat evolved into a derranged physicist who puts cats in boxes alongside lethal poisons. Perhaps in the same Everett universe, the physicist is a cat getting poisoned by his own experiment!

Only one thing troubles me - shouldn't it take NINE particles hitting the detector to kill the cat :)