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.

Prosecutors allege Karen Read struck her boyfriend, John O'Keefe, with her Lexus SUV outside of a get-together at another officer's home and left him to die.