Jury in Lindsay Clancy case remains at an impasse, what can happen next?

The jury in the Lindsay Clancy case remains deadlocked after 30 hours of deliberation. The case involves Lindsay Clancy, a woman from Massachusetts accused of murdering her three children. The jurors were unable to reach a unanimous verdict, which is required for a conviction. As the hours pass, the possibility of a mistrial becomes increasingly likely. A mistrial would mean that the trial would have to be completely restarted with a new jury.