“And who do you expect will answer this ad- vertisement.”
“Why, the man in the brown coat—our florid friend with the square toes. If he does not come himself he will send an accomplice.”
“Would he not consider it as too dangerous?”
“Not at all. If my view of the case is correct, and I have every reason to believe that it is, this man would rather risk anything than lose the ring. According to my notion he dropped it while stoop- ing over Drebber’s body, and did not miss it at the time. After leaving the house he discovered his loss and hurried back, but found the police already in possession, owing to his own folly in leaving the candle burning. He had to pretend to be drunk in order to allay the suspicions which might have been aroused by his appearance at the gate.

A Study In Scarlet, Chapter 5