Have they been outed?
I’d wager it was a Ron Paul “Republican” who gave these Pinkos the tickets. Ron Paulians have sought at numerous turns to disrupt the state Republican conventions.
They are crossover Democrat voters. There were also crossover Democrats who gave us McCain as the nominee but it is the Democrats who voted in Republican primaries to keep Paul in the race who made the effort to attend the state conventions and may have been seated as delegates.
Infiltration by Reds is common practice for Stalinists.