Arizona Heat by Linda Lael Miller

Some secrets are too hot to handle in this classic tale from Linda Lael Miller, previously published as Deadly Deceptions

After years spent trying to remember her past, Mojo Sheepshanks just wants to put it behind her. She's finally got the life she always wanted - sisters she loves, a career that keeps her on her toes and Tucker Darroch, the handsome cop who's stuck by her against all odds. But for the people around her, moving on is hard to do. Tucker can't seem to let go of his past, while Mojo's sister Greer is being blackmailed for secrets in hers. And Mojo's stuck in the middle again.

Meanwhile, danger is stalking the citizens of Cave Creek, Arizona, Mojo's adopted home. And even as she and Tucker work to keep everyone safe, Mojo will discover that there are mysteries in Cave Creek that someone is willing to protect at any cost.