DEDHAM, MASS. (WHDH) - Karen Read was in court Friday for the final time before she goes on trial for the murder of her Boston Police officer boyfriend John O’Keefe.

Jury selection starts on Tuesday at Dedham Superior Court.

Charged with second degree murder, Read, 44, of Mansfield, is accused of backing over O’Keefe outside a home in Canton in January of 2022 and leaving him to die in a snowstorm.

Read pleaded not guilty; her defense team claims she is being framed as part of a police cover up. The defense plans to present security video from the Canton police station.

“The video mysteriously cuts out for 42 minutes, between 5:08 and 5:50 p.m.,” David Yannetti, a defense attorney for Read, said in court.

Adam Lally, the prosecutor, said that the camera is motion-activated and does not record everything.

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