The judge gave a dynamite charge to help the jury reach a decision.
dynamite charge
idiomInstructions given by the judge to a jury that has failed to reach a verdict, in the hope that they can do so after further deliberation.
After the jury reported they were deadlocked for the third time, the judge issued a dynamite charge to encourage them to keep deliberating.
Recognizing that the trial had already consumed significant resources, the judge delivered a stern dynamite charge, urging the jurors to set aside their differences and reach a unanimous verdict.