The flat glass panel, gleaming and clean, set flush into the plaster.

The ordinary, modern, toolless little fireplace that a desperate man had never bothered to look at closely, and that had, in the end, told the truth when no one in that station was inclined to believe a frightened old woman.

People assume, when I tell this story, that the thing that saved us was my training — the cold voice, the intelligence career, the habit of checking details.

And that helped, I won’t pretend it didn’t.

But it wasn’t really the training.

The training only taught me to reach for a fact.