What is the Tuey-Rodriguez instruction the judge gave in the Lindsey Clancy trial?

Jurors in the Lindsay Clancy murder trial told the judge on Wednesday they were deadlocked for a second time, a day after they issued a first deadlock note to the judge. NBC News’ Laura Jarrett and Misty Marris explain the significance of the Tuey-Rodriguez instruction the judge gave the jury and why this next round of deliberation is crucial to the trial.