The historic Thurgood Marshal U.S. Courthouse building, right, in New York City. A judge is assessing a case there after prosecutors admitted missteps, although they said with no malice intended.

The historic Thurgood Marshal U.S. Courthouse building, right, in New York City. A judge is assessing a case there after prosecutors admitted missteps, although they said with no malice intended.

The historic Thurgood Marshal U.S. Courthouse building, right, in New York City. A judge is assessing a case there after prosecutors admitted missteps, although they said with no malice intended.

The historic Thurgood Marshal U.S. Courthouse building, right, in New York City. A judge is assessing a case there after prosecutors admitted missteps, although they said with no malice intended.