Mark Shull has been a featured speaker at rallies held by the Rivers of Living Water United Pentecostal Church of Sandy, which holds events like this one:
Their pastor, Russell Collier, regularly preaches hate against LGBTQ community. Here he is speaking at his “Save Our Children from Sex Trafficking & Trump Rally” on August 30, 2020.
Mark Shull spoke at the same rally. It should be noted that “saving children from trafficking” is a common trope used by supporters of the pro-Trump conspiracy theory QAnon.