Karen Read's defense team has long argued she was framed for John O’Keefe's death. Jennifer McCabe's testimony is central to the case.

After seven days and 12 witnesses, it is clear Karen Read's second trial is very different from the first. "I think it's vastly different really," said WBZ Legal Analyst Katherine Loftus. Loftus watches every minute of testimony and helps break down the big legal takeaways, like how the public perception is different than what a jury hears.