In MS Barbour et al pushed Dems who had voted in the primary to vote in the runoff, illegal but counted. McDaniel tried to challenge but a GOP judge shut him down.
http://www.jacksonfreepress.com/news/2014/jul/16/mcdaniel-campaign-finds-enough-illegal-votes-warra/
That’s even worse than I remember it. What’s to prevent them from pulling the same shenanigans this time? The Swamp runs deep.