"The mob takes the Fifth," Trump said at one campaign rally in September 2017. "If you're innocent, why are you taking the Fifth Amendment?"
He was largely targeting former staffers for Hillary Clinton who pleaded the Fifth during the investigation into her use of a private email server while she was secretary of State.
Trump also called staffers pleading the Fifth "disgraceful" and "a bigger deal than Watergate" at different points during the campaign.
