Karen Read’s defense team will begin callings its own witnesses after the prosecution rested its case Thursday. Follow the proceedings in the player below.

Get up to speed with our index to courtroom coverage, a recent recapping of the trial so far, a guide to the basics of the case and a guide to who’s who in the case.

Read, 45, of Mansfield, faces charges of second-degree murder, manslaughter while operating a motor vehicle under the influence, and leaving the scene of a collision causing death.

The prosecution claims she rammed her Lexus LX570 SUV into John O’Keefe, a Boston Police officer she had dated for about two years, and leaving him to freeze and die on the front lawn of 34 Fairview Road in Canton on Jan. 29, 2022.

But now it’s the defense’s turn and attorney Alan Jackson stated the brunt of its case during his opening statement. Their case boils down to three words, he said: “There was no collision.”

We’ll find out today how Jackson and fellow defense counsel David Yannetti, Robert Alessi and Elizabeth Little will start trying to make that point.

This is a developing story.

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