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.

A jury found Karen Read not guilty of second-degree murder and manslaughter charges Wednesday in the 2022 death of her Boston police officer boyfriend, a case that attracted legions of true crime followers who erupted in cheers when word of the acquittal spread outside court.

Special prosecutor Hank Brennan admits evidence mistake in Karen Read's murder retrial as defense requests mistrial, with legal experts divided on whether the error was intentional