"The chambers in Duke-street?"
"Yes. Leighbourne is going to meet me there this afternoon, and we are going all through Grent's private papers in search of a possible clue."
"I wonder you did not search there before."
"There was no time," replied Torry tartly. "I have had a lot to do in getting evidence for the inquest. Now that is over, and the victims are buried, I can go forward."
"It is a week since the murder," said Frank, "and someone may have been in Grent's chambers to remove all incriminating papers."
"The assassin you mean?"
"Possibly."
"Well," said the detective, "there is something in that; but I doubt it, as the butler who keeps the rooms would not be likely to let anyone into them during the absence of his tenant. However, I'll see. Will you come?"
"No, thank you," replied Darrel. "I find my detective fever has passed away."
Torry uttered a prophecy. "On the first discovery of any note you'll get that fever again," said he.