Ossining IN the time it has taken for the proposed Sing Sing Historic Prison Museum to get off the drawing board, you could have served a sentence for a violent felony inside the prison’s walls. It has been more than a decade since the idea was first floated to build a museum inside this town’s most infamous institution.

Since then, there have been multiple market studies, grant applications, meetings, news releases and a foundation established to raise money for the proposed museum. But amid plenty of political support, there has also been sharp criticism from local residents.

Now momentum has picked up again. The village has applied for $12.5 million in federal money for the museum, which is expected to cost $14 million.