Winter's Mourn by Mary Stone

A rookie FBI agent scarred by the childhood murder of her family returns to her hometown to investigate a young woman’s death that mirrors her past. Guided by unsettling post-traumatic visions and paired with a skeptical partner, she navigates small-town secrets and mounting danger to chase a killer who may be the same monster that shattered her life. As the lines between duty and vengeance blur, the case forces her to confront the darkest corners of her memory—and the possibility that the past has come calling again.

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