Every instinct in me wanted to scream at him, to tell him his man was in handcuffs and his son was safe and his whole scheme had already collapsed.

I wanted to watch the certainty drain out of his face.

But the investigator’s words were in my head — let him believe he holds the cards, and he will tell you everything — and I understood that my rage was worth less than his confession, that the most useful thing I could do for Porter and for Cody was to stand very still and be underestimated one last time.

It was, in its way, a skill this family had taught me.