"We believe it is important to provide you, the donors who generously fund and raise money, with a list of relevant questions considering the current circumstances faced by his campaign," the memo reads.
Epps claims the network and Carlson promulgated an unfounded narrative that portrayed him as an undercover agent who instigated the Capitol violence to discredit then-President Trump and his followers.
House Speaker Kevin McCarthy (R-CA) questioned if Trump is the strongest Republican candidate for the 2024 presidential election, although he believed Trump could beat Biden.