"Bless you, there's score of foreigners knocking about Hull.

Scores! Hundreds! We've done all we can, the local police and myself--we've no clue whatever.

But, of course, it was done by one of the gang." "By one of the gang!" exclaimed Allerdyke.

"Ah you've got a theory of your own, then ?" Chettle laughed quietly as they turned and retraced their steps up the street.
"It 'ud be queer if I hadn't, by this time," he answered.

"Oh yes, I've thought things out pretty well, and I should say our people at the Yard have come to the same conclusion that I have--I'm not conceited enough, Mr.Allerdyke, to fancy that I'm the only person who's arrived at a reasonable theory, not I ?" "Well--what is your theory ?" asked Allerdyke.
"This," replied the detective.