“Go out into the hall,” said Sprowl, sharply.

The child shrank back, and went, taking her little jacket in one hand, her battered travelling-satchel in the other.

If the two men could have known that the steel box was in that satchel this story might never have been told. But it never entered their heads that the pallid little waif had sense enough to conceal a button to her own profit.

“Munn,” said Sprowl, lighting a cigar, “what is there in this business?”

“I’ll tell you when I’m done,” observed Munn, coolly.

Sprowl sat down on the bed where O’Hara had died, cocked the cigar up in his mouth, and blew smoke, musingly, at the ceiling.

Munn found nothing—not a scrap of paper, not a line. This staggered him, but he did not intend that Sprowl should know it.

“Found what you want?” asked Sprowl, comfortably.

“Yes,” replied Munn.

“Belong to the kid?”