A federal judge hearing the civil rights suit of a man who served 15 years in prison for a now-vacated murder conviction signaled on Nov. 16 that he would let parts of the case proceed as attorneys grappled with questions of prosecutorial immunity and municipal liability.

Eastern District Judge Frederic Block (See Profile) heard arguments on a motion by New York City to dismiss a $150 million lawsuit filed by Jabbar Collins against the city, prosecutors and investigators from the Brooklyn District Attorney’s Office.