Many in the US find the "circus" distasteful in the extreme. If the State is going to execute someone, it should at least be done with as much dignity surrounding such an act as possible.

Personally, I think that Hill and others of his sort would be better served by being kept in solitary confinement -- never seeing or hearing another human being -- for the rest of their lives. Give them time to think about what they did. Comfortable, but spartan, accomodation; NO outside noise, nothing to distract them from their thoughts.