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.

Read is accused of using her car to strike and kill Boston Police Officer John O’Keefe, her boyfriend, on Jan. 29, 2022. The original verdict slip lists each possible charge in a numbered list, which the defense had argued was confusing for jurors but that Judge Beverly J. Cannone said complied with state law. The jury note changed her mind.

During arguments over verdict slip confusion, defense attorney Alan Jackson warned Judge Cannone that the second trial could end in a similar way. "We are going to end up in the exact same position that we were in last year," Jackson told the judge during the tense exchange Tuesday.