"Where is he?" asked Mr. Mann. The inspector shrugged his shoulders. "Sergeant Smith has disappeared," he said, "though I dare say we shall find him before long. He is only one; the most puzzling element of all is the fourth man concerned, the man who arrived in the motor car and who was evidently Mr. Rex Holland. We have got a very full description of him." "I also have a very full description of him," said Mr. Mann quietly; "but I've been unable to identify him with any of the people in my records." "Anyway, it was his car; there is no doubt about that." "And he was the murderer," said Mr. Mann. "I've no doubt about that, nor have you." "I have doubts about everything," replied the inspector diplomatically. "What was in the car?" asked the little man brightly. He was rapidly recovering his good humor. "That I am afraid I cannot tell you," smiled the detective. "Then I'll tell you," said Saul Arthur Mann, and, stepping up to his desk, took a memorandum from a drawer. "There were two motor rugs, two holland coats, one white, one brown. There were two sets of motor goggles. There was a package of revolver cartridges, from which six had been extracted, a leather revolver holster, a small garden trowel, and one or two other little things." Inspector Nash swore softly under his breath. "I'm blessed if I know how you found all that out," he said, with a little asperity in his voice. "The car was not touched or searched until we came on the scene, and, beyond myself and Sergeant Mannering of my department, nobody knows what the car contained." Saul Arthur Mann smiled, and it was a very happy and triumphant smile. "You see, I know!" he purred. "That is one point in Merrill's favor." "Yes," agreed the detective, and smiled. "Why do you smile, Mr. Nash?" asked the little man suspiciously. "I was thinking of a county policeman who seems to have some extraordinary theories on the subject." "Oh, you mean Wiseman," said Mann, with a grin. "I've interviewed that gentleman. There is a great detective lost in him, Inspector." "It is lost, all right," said the detective laconically. "Wiseman is very certain that Merrill committed the crime, and I think you are going to have a difficulty in persuading a jury that he didn't. You see Merrill's story is that he came and saw his uncle, that they had a few minutes' chat together, that his uncle suddenly had an attack of faintness, and that he went out of the room into the dining room to get a glass of water. While Merrill was in the dining room he heard the shots, and came running back, still with the glass in his hand, and saw his uncle lying on the ground. I saw the glass, which was half filled.