Cassidy eyed the pile of ash on the floor near the rolly chair for only a moment, remembering the kindhearted nurse and wishing things had gone differently. The memories of what had happened to Lena would haunt her for years, she just knew it. For now, she couldn’t think about that. She sat down at the computer and moved the mouse, bringing the machine to life.

Beside her, Dax picked up the receiver and jabbed at the numbers, his hand trembling. He sighed and hit the button to hang ...