New York City Said to Open Inquiry on Omission by First Lady’s Top Aide

By MICHAEL M. GRYNBAUM, WILLIAM K. RASHBAUM and NIKITA STEWART

Rachel Noerdlinger, the chief of staff to Mayor Bill de Blasio’s wife, Chirlane McCray, may not have disclosed that she lives with a boyfriend with a criminal record.

Rachel Noerdlinger is chief of staff to Chirlane McCray. 

  Credit Richard Drew/Associated Press

The inquiry into Ms. Noerdlinger is the latest turn in a controversy that has caused consternation inside City Hall, even as advisers say that they are unconcerned about what they view as unfair and racially tinged attacks. (Both Ms. Noerdlinger and Ms. McCray are black, as is Mr. McFarlan.)