Karen Read was found not guilty of the three most serious charges she faced in the death of her boyfriend, Boston police officer John O’Keefe, bringing to a close a three-year saga that has gripped the state.

Karen Read walked out of court a free woman after more than three years and two trials over the death of her boyfriend, Boston police officer John O'Keefe, who was found on the lawn of a fellow officer's home after a night of heavy drinking.