Washington – The head of the FBI's New York field office who was reported to have resisted Justice Department efforts to scrutinize agents who participated in politically sensitive investigations told coworkers on Monday that he has retired from the bureau after being directed to do so.

The top official of the FBI New York field office resigned from his post on Monday, sending a letter to his colleagues apologizing for not fulfilling 2 years in his post.

James Dennehy, the head of the FBI’s New York Field Office, was forced out one month after writing an email to his staff urging them to “dig in” after the Trump Justice Department demanded a list of all bureau employees who had worked on criminal cases against Trump supporters who stormed the Capitol.

The top special agent overseeing the FBI’s largest field office has been forced to retire, according to an email he sent to colleagues and obtained by CNN.