Streams of Mercy by Teresa Slack

Was Jamie Steele's father really a killer?
On the day of her father's funeral, Jamie is devastated to learn he was the prime suspect in the disappearance of an old girlfriend. Everyone in their small town believes he's guilty, and only the lack of evidence-the missing woman's body-kept him out of prison. Already struggling to reconcile herself with the memories of a dad who never made her feel like she mattered, Jamie is desperate to learn what really happened twenty-five years ago. But the more she discovers about Sally Blake's disappearance, the more convinced she becomes of her father's guilt.
Was her father a cold-blooded killer?
How will she accept it if he is, and how can she forgive a man who never gave her the love and respect she needed while he was alive?
No matter the outcome, Jamie must find the truth, even if it means destroying what’s left of her memories of her dad.