Reasonable Doubt (Harlequin Intrigue #92)

She made a promise to a dying woman.
Nothing less would have convinced Brenna Morgan to return to the Crescent Moon claim--to face the doubts she'd fled so long ago. But soon she discovered that prowlers, vandals and unnatural noises had invaded the isolated mining claim that had been in her family for generations. And her new neighbor, Tyler Ross, was not the first or the last to warn her of the dangers of remaining there alone.
As warnings turned to threats--and threats to violence--Brenna swore she would never abandon the claim. And when Tyler charged in to lend her his support, she accepted him with open arms. It wasn't until later that she had cause to wonder if his choice was for her benefit, or for his own....