The Daily Beast revealed the existence of an internal memo from Fox News that questions the credibility of several frequent Fox News guests, describes how Fox contributor John Solomon played an “indispensable role” in the Ukraine “disinformation campaign,” and says that Trump attorney and frequent Fox guest Rudy Guiliani has a “high susceptibility" to foreign disinformation. The memo, from Fox News’ research unit, advises Fox News producers and on-air regulars to be wary of “disinformation” from several of President Donald Trump’s surrogates and boosters.

Read the Daily Beast's exclusive story here.

According to data from our internal database, the four people named in the memo have made at least 348 total appearances on weekday Fox News programs since 2018:

139 for John Solomon

139 for John Solomon 101 for Joseph diGenova

83 for Rudy Giuliani

25 for Victoria Toensing

203 of those appearances were on Sean Hannity's Fox show.

Julie Millican laid out all of these connections and efforts at disinformation in October. In reaction to the leaked internal memo, Millican, vice president at Media Matters, issued the following statement: