At Risk is a standalone novel by Patricia Cornwell, although it introduces a couple of characters who appear in her later works. The story revolves around Win Garano, a Massachusetts state investigator, and his boss, District Attorney Monique Lamont. Lamont is an ambitious and politically motivated DA who launches a campaign called "At Risk," aimed at solving cold cases using cutting-edge forensic techniques.
Garano is reluctant to get involved but is sent to Tennessee to investigate an unsolved murder from two decades ago. As he digs deeper, he uncovers a web of corruption, conspiracy, and danger that puts his own life at risk. Lamont's true motives come into question, and Garano must navigate through a maze of deceit to uncover the truth.
The novel blends elements of crime, politics, and forensic science, creating a fast-paced and engaging thriller. It's an intriguing read that showcases Cornwell's ability to craft complex characters and suspenseful plots.