"Look, look, what's this!" he exclaimed excitedly. "A receipt for £78 15/-, paid on May the 8th last for 'Brindled dog, Sugar, by Good Judge out of Pretty Girl.' Great Jupiter, that's 75 guineas he paid for a greyhound six weeks ago! Now where the blazes did he get all that ready cash from? Depend upon it that's part of the money he received for the photographs of those plans!"
"Well, we'll try a bluff on him," said the inspector. "That's the only way. We'll bounce him that his barman brother has been caught for passing on the plans and has confessed everything." His face fell. "But what about his wife here? If she's free she may have some means of getting a message through to Wickford."
"Then arrest her, too," said Larose. "Take her as an accomplice. Didn't you notice her nitrate of sil
