Tall, red-haired Liz Connors is a former college professor turned crime writer who is expert at digging up details even the cops couldn't find. This time she has her lover, Detective Lieutenant Jack Lingemann, is being held without bail on a murder charge, and all Boston is crying for his head. She enlists the help of two reporters and two cop-friends to dig up information that lies buried in the annals of Cambridge history. Her investigation discovers links between a series of violent attacks on women, a dishonest real estate tycoon, and a tragic fire in a tenement; all are clues to the real killer's identity. Until Proven Innocent is a galvanizing puzzle and a delight.