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 does not support the prosecution’s theory that a vehicle strike

Vinnie Politan analyzes the testimony of multiple experts, including crash reconstructionists, in Karen Read's retrial.

Karen Read is charged with killing her police officer boyfriend John O’Keefe. She is being retried after her first case ended with a deadlocked jury last year.

“I don’t believe that’s consistent with the evidence and what occurred,” Rentschler replied. Rentschler was the final defense witness, just as he was during Read’s first trial last summer. After he left the stand, Jackson announced Read’s defense would rest its case subject to a final ruling on evidence.

Karen Read has said her team will likely call its final witness on Tuesday, so there are not many more witnesses to be called by the 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.

The Karen Read defense rested its case after testimony from their final witness, who reiterated his opinion that the evidence does not support the prosecution’s theory that a vehicle strike