India, Jan. 24 -- An FBI agent based in Minneapolis, who sought to investigate the death of a 37-year-old woman fatally shot by a federal immigration officer earlier this month, has stepped down from her position.

According to a source acquainted with the matter, who spoke to NewsNation, which is affiliated with The Hill, agent Tracee Mergen has resigned from her role as a supervisor in the FBI's Minneapolis field office due to pressure exerted by the bureau's leadership in Washington.

Mergen resigned from her position following pressure to halt an investigation into Immigration and Customs Enforcement (ICE) officer Jonathan Ross, as reported by The New York Times, which was the first to disclose Mergen's departure.

"It is FBI policy n...