"Absolutely sure."

"Thanks. Just a moment," and he rejoined the seamstress.

"You are giving us great assistance," he said to her politely. "I shall
speak of you to the chief."

"Oh, sir," she murmured in confusion.

"But one point is not quite clear. Just look across again. You see two
open windows, the end window and the one next to it. Isn't it possible that
this bright thing was thrown from the window _next_ to the end one?"

"No, no."

"They are both alike and, both being open, one might easily make a
mistake."

She shook her head positively. "I have made no mistake, _it was the end
window_."

Just then Coquenil heard the click of the door opposite and, looking over,
he saw Papa Tignol beckoning to him.

"Excuse me," he said and hurried across the street.

"It's there," whispered Tignol.

"The pistol?"