The detective thought he might do more harm than good by pressing for a definition of the firm’s annoyance. He turned to Winifred.

“Are you ready, Miss Bartlett?” he said. “The only reason the Bureau has for troubling you is the accident of your address.”

Almost before the girl realized the new and astounding conditions which had come into her life she was seated in a closed automobile and speeding swiftly down-town.

She was feminine enough, however, to ply Clancy with questions, and he had to fence with her, as it was all-important that such information as she might be able to give should be imparted when he and Steingall could observe her closely. The Bureau hugged no delusions. Its vast experience of the criminal world rendered misplaced sympathy with erring mortals almost impossible. Young or old, rich or poor, beautiful or ugly, the strange procession which passes in unending review before the police authorities is subjected to impartial yet searching analysis. Few of the guilty ones escape suspicion, no matter how slight the connecting clue or scanty the evidence. On the other hand, Steingall and his trusty aid seldom made a mistake when they decided, as Clancy had already done in Winifred’s case, that real innocence had come under the shadow of crime.

Steingall shared Clancy’s opinion the instant he set eyes on the new witness. He gazed at her with a humorous dismay that was wholly genuine.

“Sit there, Miss Bartlett,” he said, rising to place a chair for her. “Please don’t feel nervous. I am sure you understand that only those who have broken the law need fear it. Now, you haven’t killed anybody, have you?”

Winifred smiled. She liked this big man’s kindly manner. Really, the police were not such terrifying ogres when you came to close quarters with them.

“No, indeed,” she said, little guessing that Clancy had indulged in a Japanese grimace behind her back, thereby informing his chief that “The Yacht Mystery” was still maintaining its claim to figure as one of the most sensational crimes the Bureau had investigated during many a year.

Steingall, wishing to put the girl wholly at ease, affected to consult some notes on his desk, but Winifred was too wrought up to keep silent.

“The gentleman who brought me here told me that I would be required to give evidence concerning the murder of Mr. Ronald Tower,” she said. “Believe me, sir, that unfortunate gentleman’s name was unknown to me before I read it in this morning’s paper. I have no knowledge of the manner of his death other than is contained in the account printed here in this newspaper.”