Then, carefully, I asked him why he’d been downstairs in the first place.

He looked puzzled, as though the answer were obvious.

“Daddy told me to wait there.” My hands tightened on the wheel.

“Wait for what, sweetheart?” “For him to come back down.” I made myself breathe.

“Were you in your bed first, baby?

Before you went downstairs?” He shook his head against the car seat.

“I never went to bed.” And there it was — the detail Gideon had not expected me to learn, the one that turned his tidy little story to ash.

My son had not wandered downstairs after bedtime like a restless child.