The head of the FBI's New York office, James Dennehy, was forced to leave his post a month later after urging colleagues to "show resilience" against the backdrop of the actions of the administration of US President Donald Trump.

James Dennehy, the assistant director in charge of FBI's largest field office, was told Friday to turn in his retirement papers.

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, has told cowork