Before they ever had a chance to study, explore, and know the polio virus. Who knows what minds zeroing in on Alzheimer's and cancer were already fired.

Pity the worm didn't eat more of Kennedy's brain.
Double pity he didn't acquire E coli from swimming in the polluted creek. Triple pity NYPD didn't actiually catch him dumping the bear cub carcass in Central Park after some kind of morbid, sick, ritualistic consumption.

Who is Kennedy? He is for all practical purposes Felon and Miller's Mengele.