A woman charged with leaking grand jury material related to the Karen Read murder case has pleaded guilty, the Department of Justice said Tuesday.

Jessica Leslie, 34, pleaded guilty in a Boston federal court on Monday to a charge of criminal contempt that accused her of willfully disobeying court rules against disclosure of grand jury information, the DOJ said.

Leslie had served on the grand jury as part of the investigation into Read, who was ultimately acquitted of murder in the 2022 death of her boyfriend.

Federal prosecutors said that between Aug. 11, 2022, and March 4, 2024, Leslie disclosed “sealed information to unauthorized individuals, including the names of various witnesses appearing before a federal grand jury, the substance of witness testimony and other evidence presented to the grand jury.”

Leslie agreed to a sentence of incarceration for one day, deemed served, and 24 months of supervised release, court records said. Her sentencing has been scheduled for Sept. 26.

While the charging document did not specify that Leslie was a grand juror in the Read case, sources confirmed the case to ABC News.

Federal prosecutors did not say how they learned Leslie had disclosed secret grand jury information, but sources said authorities had been monitoring social media accounts and other communications during a case that received widespread attention.

Read was originally indicted by a Boston grand jury in June 2022 in the death of her police officer boyfriend John O’Keefe. Prosecutors alleged Read hit O’Keefe with her car outside the home of a fellow police officer after a night of heavy drinking in January 2022 and then left him to die there during a major blizzard.

The first trial ended in a mistrial last year after the jury was unable to reach a unanimous verdict.

In a second trial that ended in June, Read was found not guilty of the most serious charges against her — murder, manslaughter and leaving the scene after an accident. She was convicted of operating under the influence of liquor and sentenced to one year of probation.