Read, 45, has pleaded not guilty to three charges: second-degree murder, vehicular manslaughter while intoxicated and leaving the scene of a collision resulting in death.

Read, 45, is accused of killing her boyfriend, Braintree native and Boston police officer John O'Keefe outside a Canton home in January 2022.

Jurors in the Karen Read retrial asked about the verdict slip and deliberation rules Tuesday, prompting courtroom debate but no final decision.