“On the back, sir. No trace of a struggle. No marks. No weapon. The short note from Miss Dunbar was clutched in her left hand.”

“Clutched, you say?”

“Yes, sir, we could hardly open the fingers.”

“That is of great importance. It excludes the idea that anyone could have placed the note there after death in order to furnish a false clue. Dear me! The note, as I remember, was quite short:

I will be at Thor Bridge at nine o’clock.

G.

Dunbar

I will be at Thor Bridge at nine o’clock.