Not impossible to tell. If you do a 100% poll of a given county and ask for statistics afterwards, you have an impromptu security analysis. How would you condu

Not impossible to tell. If you do a 100% poll of a given county and ask for statistics afterwards, you have an impromptu security analysis. How would you conduct a similar audit of how secure a paper ballot is for any given system? If all you do is an audit of a single vote, then you're no different. Until paper ballots can no longer be dumped in the trash, paper auditing is hard at best.