What happens when a jury says it can't decide?

It is not uncommon for jurors in high-profile trials to struggle to reach a decision and judges have a protocol for these situations. In federal court, judges often give what is known as an Allen charge to jurors when they are deadlocked. This instructs them that they have an important duty to do and that they should keep trying to reach a decision. Judge Sullivan has already told the jurors to do this. If they come back a second time, Massachusetts law says the judge should read what is called