"I beg your pardon," said Father Brown; "that is my fault. I just sent him down the road to investigate something—that I just thought worth investigating."
"Well, we want him back pretty soon," said Angus abruptly, "for the wretched man upstairs has not only been murdered, but wiped out."
"How?" asked the priest.
"Father," said Flambeau, after a pause, "upon my soul I believe it is more in your department than mine. No friend or foe has entered the house, but Smythe is gone, as if stolen by the fairies. If that is not supernatural, I——"
As he spoke they were all checked by an unusual sight; the big blue policeman came round the corner of the crescent, running. He came straight up to Brown.
"You're right, sir," he panted, "they've just found poor Mr. Smythe's body in the canal down bel
