Jurors in the Karen Read trial asked four questions to Judge Beverly Cannone Tuesday, with one indicating they may be facing the possibility of a hung jury on one of the charges. The jury left for the day without reaching a verdict,

Jurors spent more than 20 hours deliberating in the Karen Read case. Nearly a year ago, the first trial ended in mistrial.

The same issue arose at Read’s first trial: multiple jurors, in the wake of Cannone declaring a mistrial, reported to Read’s defense that they agreed to acquit her on two of the three counts, but they didn’t know they could return a partial verdict. That led to a lengthy appeals fight that was appealed to but not taken up by the U.S. Supreme Court.