What to Know

Karen Read is charged with second-degree murder, manslaughter while operating a vehicle under the influence and leaving the scene

She is accused of striking John O'Keefe, her Boston police officer boyfriend, with her SUV in 2022 and leaving him to die alone in the snow outside of a house party in Canton, Massachusetts

Her defense team has said she is the victim of a vast police conspiracy and that O'Keefe was fatally beaten by another law enforcement officer at the party

The Karen Read trial is entering what could be the final week of testimony, with the defense's crash reconstruction expert returning to the stand.

Daniel Wolfe , director of accident reconstruction for the firm ARCCA, spent all day Friday discussing findings from a report he made for this trial and

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