Luigi Mangione faces terror and murder charges in New York court. A federal prosecution is proceeding in parallel.

© Karsten Moran for The New York Times

Ingrid Lewis-Martin, who resigned as the mayor’s chief adviser, was charged in a bribery scheme involving $100,000 for a new Porsche for her son.

© Jefferson Siegel for The New York Times

It could complicate a simple case and turn it into a political circus.

© Photo Illustration by The New York Times

It could complicate a simple case and turn it into a political circus.