Looking on the picture of the skeleton I say that his spine was terribly bended which gave him a big hunchback.

Anyway king Richard had his decent tomb and it was not his or those people fault that descendants decided to destroy a church and a graveyard and build a parking on that place.

So, I do not think it would be a big disrespect to clarify was king John murdered or died from a disease and for this to open his tomb and take some probes.