‘You are f***ng using me right now’: Jurors Hear Explosive Voicemails in Karen Read Murder Trial; She Called Officer Boyfriend 44 Times Before His Death

The defense in the retrial of Karen Read, accused of killing her boyfriend John O’Keefe, called its first witness Friday.

As previously reported by CrimeOnline, O’Keefe, an off-duty Boston police officer, was discovered deceased in the snow outside a friend’s residence in Canton. Read, 45, who used to be an adjunct professor at Bentley University, has entered a plea of not guilty to charges of second-degree murder and other related offenses.

Her first trial ended in a mistrial.

Prosecutors claim that Read backed her Lexus SUV into O’Keefe shortly after midnight on January 29, 2022, after the pair had attended a gathering with friends.

Read’s defense team called Matthew DiSogra, an engineer from the motor vehicle accident reconstruction firm DeltaV, to the stand Friday morning.

As reported by USA Today, DiSogra assessed the analysis of prosecution witness Shanon Burgess, a digital forensics expert who attempted to bridge the discrepancies between the data from Read’s SUV and O’Keefe’s iPhone.

Using clock data from both the phone and vehicle, Burgess built a timeline for the night O’Keefe died that could link Read to the crime. He said O’Keefe’s phone last locked during the brief moment Read’s car recorded a backup maneuver.

DiSogra told jurors that phone and car clocks typically don’t match exactly. He said his own analysis showed the phone’s last lock happened after the car backed up.

Defendant Karen Read speaks with her attorney Alan Jackson during her murder trial in Norfolk Superior Court in Dedham, Mass., Friday, May 30, 2025. (Mark Stockwell/The Sun Chronicle via AP, Pool)

Defense attorney Alan Jackson asked the judge to dismiss the charges against Read, arguing the prosecution failed to prove a collision happened on January 29, 2022, or that Read intended to kill O’Keefe. He called the case a “vindictive prosecution.”

Prosecutors argued that they presented evidence showing Read was over the legal alcohol limit and that a collision occurred at 34 Fairview Road, where O’Keefe’s body was found. They also cited numerous voicemails Read left O’Keefe and her own statements to police, suggesting she may have hit him.

Read claimed she never hit O’Keefe with her vehicle, with reported claims that he he was beaten up inside the residence and then attacked by a dog.

The trial continues. Check back for updates.

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