Karen Read's defense concluded with expert witness Dr. Andrew Rentschler testifying that Boston cop John O'Keefe's injuries ...

Karen Read's defense attorneys cross-examine key accident expert Judson Welcher in a dizzying day of testimony.

Will Karen Read walk free after three years, two trials, and several weeks of testimony? Or will she end up behind bars?

CNN highlights about a dozen witnesses called over the last eight weeks, whose testimony illuminated key pieces of the theories presented by prosecutors and Read’s defense.

The Karen Read defense rested its case after testimony from their final witness who reiterated his opinion that the evidence ...

Explore the pivotal role of forensic evidence and expert testimony in the Karen Read trial, analyzing conflicting ...

The Karen Read trial is continuing on Tuesday as Dr. Marie Russell is back on the stand for additional cross-examination after she first took the stand a day earlier to testify that she believed John ...

“I don’t believe that’s consistent with the evidence and what occurred,” Rentschler replied. Rentschler was the final defense ...

A Boston police officer's testimony in Karen Read's trial raises questions of coercion, as the defense seeks to undermine the investigation into John O'Keefe's death.

Karen Read's defense team has sought to prove that she was framed for the death of her cop boyfriend John O’Keefe.

Karen Read’s attorneys are making a final push, preparing to call their final witnesses to the stand in her murder ...

The Karen Read defense rested its case after testimony from their final witness, who reiterated his opinion that the evidence ...