“We all believe our phones are tapped and that we are monitored,” one Fox News personality told CNNMoney, echoing the fears of others who asked not to be quoted.

“People definitely felt that the clicks on the line were coming from the inside,” said another.

For years, the majority of Fox News sources who have spoken with this reporter have requested that correspondence be done in person, over a personal phone line or through a personal email account in order to ensure that they weren’t leaving behind a trail of evidence.

Still, none of these sources said they had any concrete evidence that their phone conversations or email correspondence had been monitored. Rather, they spoke of a fear that they described as pervasive throughout the company.