Jurors have begun their fourth day of deliberations in the Karen Read murder trial taking place in Dedham.

Judge Beverly Cannone convened court shortly after 9 a.m. in the shortest session seen so far in the deliberative process. There was no sidebar and Cannone just asked jurors if they were able to follow her instructions to not consume any media regarding this case, to not discuss the case with anyone and to not do their own outside investigations.

They answered: “Yes” or nodded affirmatively.

Read, 44, of Mansfield, is charged with second-degree murder, manslaughter while operating a motor vehicle under the influence and leaving the scene of an accident resulting in death.

The second of the indicted charges features two “lesser included charge” options: involuntary manslaughter and motor vehicle homicide. Read can be convicted of or found not guilty of each one.

Prosecutors say that Read — drunk from a night out on the town and angry as her jealousy and discontent in her relationship grew — slammed her Lexus SUV into her boyfriend of about two years, Boston Police Officer John O’Keefe, and left him to freeze and die on the front yard of a fellow Boston cop in Canton.

Defense attorneys fought back throughout the trial, arguing that a network of Canton locals, local police and the regional hierarchy of the Massachusetts State Police worked to cover the murderous deeds of others and frame their client.

The Herald has reported that the crowd of Read supporters who gather near the Norfolk Superior Court in Dedham each morning in anticipation of a verdict has ebbed as the deliberations drag on.

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This is a developing story.

Christine Robbins holds cutout heads of some of the witnesses from the Karen Read trial, where jurors deliberated behind closed doors. (Photo By Matt Stone/Boston Herald)