Now that I do not know.
Good question.
I just found this, regarding cross over voting in run offs, from Pearl Cty MS...
PRIMARY ELECTIONS
Party candidates are nominated through primary elections. A voter may vote in either party’s primary, and cast a ballot for that party’s nominees to the general election. If no candidate receives a majority of the votes in a primary, a run-off is held between the top two vote-getters.
A voter who votes in the primary of one party may not “crossover” to vote in the run-off of another party.
I found one website that says it is prohibited “but difficult to enforce” — which isn’t very helpful.
Anyways, I think Hailey and Co. have taken their best shot one way or the other.
Congratulations to you and everybody on the ground down there, one hell of a victory!