"No! We all of us saw him, Monsieur le President!" cried
Rouletabille.

"Then why was he not arrested?"

"Because no one, besides myself, knew that he was the murderer. It
would have spoiled my plans to have had him arrested, and I had then
no proof other than my own reasoning. I was convinced we had the
murderer before us and that we were actually looking at him. I
have now brought what I consider the indisputable proof."

"Speak out, Monsieur! Tell us the murderer's name."

"You will find it on the list of names present in the court on the
night of the tragedy," replied Rouletabille.

The people present in the court-room began showing impatience.
Some of them even called for the name, and were silenced by the
usher.

"The list includes Daddy Jacques, Bernier the concierge, and Mr.
Arthur Rance," said the President. "Do you accuse any of these?"

"No, Monsieur!"

"Then I do not understand what you are driving at. There was no
other person at the end of the court."

"Yes, Monsieur, there was, not at the end, but above the court, who
was leaning out of the window."