"Is who?" questioned Fandor.

"Is Jacques Dollon!... The hand that has robbed Princess Sonia Danidoff is the hand of Jacques Dollon!"

"But it is impossible!"

Bertillon shrugged his shoulders.

"Impossible?... Why, since the proof of it is there?"

"But Jacques Dollon is dead!"

"He was the thief of yesterday's crime."

"You are making a mistake!..."

"I am not making a mistake!... Jacques Dollon is the thief I tell you!"

This was too much for Jérôme Fandor: he could not contain himself.