Dead Ringers - Black Swann Investigations, #1

Reggie Swann had the perfect husband, her dream career and plans to start a family. It was all taken away when the former Homicide Detective was framed for murder. After ten brutal years behind bars a new forensic test refutes key evidence against her. Reggie is finally released, though many still doubt her innocence. She will stop at nothing to clear her name and get her old job back, but first Reggie must help solve a murder in her home town.
Everyone in Penticton believes that wealthy, hot-headed Stan Connelly killed his beautiful wife. Even Reggie does, at first  All the evidence points at him. Digging deeper, Reggie becomes convinced that something much more sinister is going on. Could there be a serial killer living in the sleepy community? Will anyone believe the wild theory of the disgraced detective? The real killer does. This time Reggie Swann must die!