Opening statements and heated testimony mark week one of the Karen Read murder trial.

Intense cross examination of a key witness marks week 2 of the Karen Read Murder Trial.

Heated and contentious testimony dominate week 3 of the Karen Read Murder Trial.

Drilling down on key evidence and other surprises in week 4 of the Karen Read Murder Trial.

Fireworks in the Karen Read trial as the courtroom is cleared and credentials are questioned.

The crash is reconstructed as prosecution winds down; defense adds four potential witnesses.

Calls for a mistrial, fiery exchanges and big accusations