If every county in the USA had the integrity and did the same due diligence of Sumter County then there would be no controversy.
These people were caught because of election rules in place that allowed a thorough and accurate audit to be done after the fact.
Every fraudulent vote deprives a citizen of their vote. That is why corrupt politicians have changed or ignored laws to make voter fraud much easier. Without strong election verification there is no fair election. In Europe most countries are same day in person voting and
ALL have a paper trail. Every vote should have a paper trail even when machines are used.
Voting in France: Paper ballots, in person, hand-counted
https://www.washingtonpost.com/world...fb4_story.html
Records: Too many votes in 37% of Detroit’s precincts
The Detroit News