The puzzle of the perfectly formed crane.
- Thorne doesn't fold cranes. Julian folds them. The crane points to Julian.
- Wait, if Clara loves Julian, she wouldn't frame him.
- What if Julian killed Thorne, and left the crane? No, the story relies on a twist of deduction.
- What if neither left the crane? Thorne left it himself. To point to the killer? No, Thorne just folded it because his hands were failing.
- Let's go with the killer left it, because the crane is the murder weapon.
- "A perfectly formed origami crane perched on the back of his hand."
- A crane made of stiff paper has a very sharp beak. A toxic substance on the sharp beak of an origami crane.
- But how did it get to his hand? Somebody set it there. So