"But who is this doctor? Who is this malevolent genius, this infernal being who appears and disappears, who slays in the dark and whom nobody suspects?"
"Can't you guess?"
"No."
"And do you want to know?"
"Do I want to know?…Why, speak, man, speak!…You know where he is hiding?"
"Yes."
"In this house?"
"Yes."
"And it is he whom the police are after?"
"Yes."
"And I know him?"
"Yes."
"Who is it?"
"You!"
"I!…"
Lupin had not been more than ten minutes with the baron; and the duel was commencing. The accusation was hurled, definitely, violently, implacably.
Lupin repeated:
"You yourself, got up in a false beard and a pair of spectacles, bent in two, like an old man. In short, you, Baron Repstein; and it is you for a very good reason, of which nobody has thought, which is that, i
