He unwound the flimsy piece of cambric and stared at the monogram "B.

M.B." He looked around.

Nobody had seen the weapon and he dropped it in his overcoat pocket, and walked from the cellar to the kitchen where Mrs.
Beale and Mansus awaited him.
"There is a lower cellar, is there not!" he asked in a strained voice.
"That was bricked up when Mr.Kara took the house," explained the woman.
"There is nothing more to look for here," he said.
He walked slowly up the stairs to the library, his mind in a whirl.

That he, an accredited officer of police, sworn to the business of criminal detection, should attempt to screen one who was conceivably a criminal was inexplicable.

But if the girl had committed this crime, how had she reached Kara's room and why had she returned to the locked cellar! He sent for Mrs.Beale to interrogate her.