Mike Pence was working with Reince Priebus and the Republican Party establishment to oust Trump in 2016.

It was only stopped after Trump threatened to expose Pence.

ORIGINAL SIN: Mike Pence Wanted To Backstab Trump, Become Republican Nominee In 2016

https://nationalfile.com/original-sin-mike-pence-wanted-to-backstab-trump-become-republican-nominee-in-2016/