Grace Harper is a member of an online group of amateur sleuths called the Grave Diggers who investigate cold cases. Her most recent obsession is the Lovelorn Killer—a serial killer who aptly earned his name by writing love letters addressed to his victims and sending them to newspapers … until one day, he inexplicably disappeared. However, when Grace winds up dead in the Lovelorn Killer’s signature style, he appears to have returned. Detective Annalisa Vega gets assigned to the case and teamed up with her ex-husband. However, for her, this one is personal. The Lovelorn Killer murdered someone close to her when she was seventeen, so she wants to find solace and answers. Now she must try to unravel whatever truth Grace got close to as she confronts her own past. Gone for Good by Joanna Schaffhausen is a cat and mouse crime procedural filled with twists and turns and a jaw-dropping ending I honestly didn't see coming. The opening starts with a gripping and gnarly hook. However, I feel...