Prosecutors alleged Read hit her boyfriend, John O'Keefe, with her car outside another officer's home in January 2022 and then left him to die there during a blizzard.

A jury cleared Ms. Read of charges related to the 2022 death of John O’Keefe, a Boston police officer, and convicted her only of drunken driving, in a trial that attracted wide attention.

Karen Read’s second murder trial was a rematch for the lawyers after the first ended in a hung jury last year. CNN correspondent Jean Casarez answers key questions about the case after Read was acquitted of murder Wednesday.