A top Justice Department official has accused the FBI’s acting leaders of “insubordination” in a memo in which he sought to soothe anxiety inside the bureau over the potential for a broad purge of agents involved in investigating the Jan.

Acting U.S. Deputy Attorney General Emil Bove made the statements on Wednesday in a memo to staff seen by Reuters.

Two separate groups of FBI employees sued the U.S. Justice Department on Tuesday, seeking to protect the identities of those agents and others who investigated supporters of Donald Trump for storming the U.