He should be dumped at sea. Like Adolph Eichman, like Osama Bin Laden. Any eartly grave will become a shrine, for pilgramages.
Witness Pere LaChaisse cemetery in Paris which is overrun by hippies coming to see Jim Morrison (of the Doors) because some idiot said, “OK, go ahead and plant him here.”
It would make it easier to spot them - you have to admit.