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.

The acting deputy attorney general accused FBI leadership of “insubordination” by refusing to identify a “core team” of bureau employees who worked on January 6 investigations, while trying to assure that rank-and-file agents who “simply followed orders” will not be fired unless they “acted with corrupt or partisan intent,