Results of secret ballots are reported to county and state GOP same night. Only in a few urban areas that are locked into Dems anyway could be faked.
I have been intimately involved in Iowa caucuses since the first (Dems in ‘72 for high school, and GOP since ‘76) either as a delegate or a rep for a candidate. Pat Buchanan in the ‘90s.
That would surely make you an expert on the process. I’ll be following your posts as we approach zero hour in Iowa.
My mom was born there — left after HS to pursue music.