A veteran federal prosecutor fired abruptly this week issued a stark warning to colleagues Friday: The Trump administration’s effort to cull perceived adversaries from the Justice Department has put Americans’ safety at risk.

“The leadership is more concerned with punishing the President’s perceived enemies than they are with protecting our national security,” wrote Michael Ben’Ary, in a note scotch-taped to his door after he cleaned out his office Friday, the last act of a 20-year career as a federal prosecutor.