After all," she went on with a tinge of irony, "the course of reasoning that you followed, Mr.Bailey, is not necessarily unique." She rose.
"Somebody else may have suspected that Courtleigh Fleming robbed his own bank," she said thoughtfully.

Her eye fell on the Doctor's professional bag--she seemed to consider it as if it were a strange sort of animal.
"Find the man who followed your course of reasoning," she ended, with a stare at Bailey, "and you have found the murderer." "With that reasoning you might suspect me!" said the latter a trifle touchily.
Miss Cornelia did not give an inch.
"I have," she said.

Dale shot a swift, sympathetic glance at her lover, another less sympathetic and more indignant at her aunt.

Miss Cornelia smiled.
"However, I now suspect somebody else," she said.

They waited for her to reveal the name of the suspect but she kept her own counsel.