If there's anyone here from Japan, why don't they provide the equivalent of secret service security (PSIA?) for the rest of a former prime ministers life? Ther

If there's anyone here from Japan, why don't they provide the equivalent of secret service security (PSIA?) for the rest of a former prime ministers life? There were some cops present at his speech which might have prevented someone rushing the stage. But cops don't have the training (or site preparation) done by the secret service.