At 10:47, I noticed a faint smell near the hallway.

I stood still.

It was not coffee or the refrigerator or damp fabric.

I recognized it from the brief conversations James had tried to have with me before our trip.

My first impulse was to go downstairs and check the panel.

I took one step toward the door, then stopped at the photograph of his instructions on my phone.

Do not search for the source yourself.

I put on my coat and went outside.