The far end of the chain terminated in a spring catch, so devised that a person need only press the prongs of the catch together, to spread the jaws and liberate a dog who might be chained to it.
Mason walked back to the library, ignored the corpse of the man, went to the body of the police dog. There was a collar around the neck, a collar which was shiny with age, and which bore a silver plate. On the silver plate, the words, " PRINCE. PROPERTY OF CLINTON FOLEY, 4889 MILPAS DRIVE," had been engraved. There was also a ring in the collar, in which the jaws of the spring catch on the end of the dog chain in the bathroom would have fitted.
Mason was careful to touch nothing, but moved about the room cautiously. He went back to the bedroom, through the bedroom to the bathroom, and made a second inspection.
Underneath the bathtub, he caught sight of a towel. He pulled out the towel, and noticed that it was still damp. He raised the towel to his nostrils, smelled it, and caught the odor of shaving cream.
As he straightened and pushed the towel back into the position where he had found it, he heard the sound of a siren in the distance, and the noise made by the exhaust of a police car.
Perry Mason walked through the library, into the corridor, noticing, as he did so, that there was barely room for him to squeeze through the door, without moving the body of the dog still further along the hardwood floor.
He walked along the corridor to the front door, and met the officers as they came pounding up on the porch.
Bright incandescents beat pitilessly down upon Perry Mason's face.
On his right, seated at a little table, a shorthand reporter took down everything Mason said.
Across from Mason, Detective Sergeant Holcomb stared at Mason, with eyes that showed a combination of puzzled bewilderment, and a vast irritation. Seated around in the shadows were three men of the homicide squad.
"You don't need to pull all that hokum," said Perry Mason.
"What hokum?" Sergeant Holcomb asked.
"All this business of the bright lights, and all of that. You aren't confusing me any."
Sergeant Holcomb took a deep breath.
"Mason," he said, "there's something about this that you're holding back. Now, we want to know what it is. A murder's been committed, and you're found prowling around the place."
"In other words, you think I shot him, is that it?" Mason countered.
"We don't know what to think," Holcomb said irritably. "We do know that you represented a client who gave every indication of showing incipient homicidal mania. We know that you occupied an adverse position all the way along the line to Clinton Foley, the murdered man. We don't know what you were doing out there. We don't know how you got in the house. We don't know just who it is you're trying to shield, but you're sure as hell trying to shield somebody."
"Maybe I'm trying to shield myself," Perry Mason remarked.
"I'm commencing to think so," Holcomb said.
"That," said Perry Mason, in a tone of finality, "shows just exactly how good a detective you are. If you'd use your brains, you'd realize that the mere fact I am a lawyer representing interests inimical to Clinton Foley would have made him very careful what he said and what he did. His manner toward me would have been one of extreme formality. I'd hardly be a friend that he'd receive in the informality of a bathrobe, with a face that was half shaven."
"Whoever did that job," Sergeant Holcomb said, "broke into the house. The first thing that happened was when the dog heard the intruder. Naturally, the dog would have ears that were more keen than those of his master. His master let the dog loose, and you had to shoot the dog in selfdefense. At the sound of those shots, Clinton Foley came running into the room to see what was the matter, and you let him have it."
"You're satisfied of that?" asked Perry Mason.
"It's commencing to look that way."
"Then why don't you arrest me?"
"By God, I'm going to if you don't come clean on this thing! I never in my life ran onto a man in a murder case who was so delightfully indefinite. You say you had an appointment with Foley at eightthirty. But you don't produce any evidence to prove it."
"What sort of evidence could I produce?"
"Didn't any one hear you make the appointment?"
"I can't remember, I'm sure. I didn't pay very much attention to it when I made it. I just made it in a casual way."
"How about the taxicab that took you out there?"
"I tell you it was a cruising cab. I don't remember what kind it was."
"You haven't got the cab receipt?"
"Certainly not. I don't go around saving receipts from taxi meters."
"What did you do with it? Drop it on the sidewalk?"
"I don't know as I ever saw it."
"You don't remember what sort of a cab you went out in? Whether it was a yellow, a checker, or a red top?"
"Hell, no! I tell you I don't remember all those details. I don't figure that I'm going to be crossexamined on everything I do. I'll tell you something else, too. As a detective, you're a false alarm. The way you reconstruct the scene of that murder shows that you don't know what happened."
"Ah," said Sergeant Holcomb, in the purring tone of one who is about to betray another into a damaging admission, "then you know what happened, do you?"
"I looked around," said Perry Mason, "the same as you did."
"Very well," Sergeant Holcomb said sarcastically, "go ahead and tell me what happened, if you will be so good."
"In the first place," said Perry Mason, "the dog was chained up when the murderer went into the house. Clinton Foley went out and saw the person who had entered the house, and talked with him for a minute. Then he went back and turned the dog loose. Then was when the dog was shot, and after that Clinton Foley was shot."
"What makes you say all of that?" asked Sergeant Holcomb. "You seem quite positive."
"Did you," asked Perry Mason with scathing sarcasm, "happen to notice a towel lying partially under the bathtub?"
Sergeant Holcomb hesitated for a moment, then said, "What of it?"
"On that towel," said Perry Mason, "was shaving cream."
"Well, what of that?"
"The towel was dropped there when Clinton Foley released the dog from the chain. Now, when a man shaves, he doesn't put shaving cream on a towel. He only gets shaving cream on a towel when he is wiping the lather from his face. He does that hastily, when he is interrupted in the middle of his shaving and wants to clean the surplus lather from his face. Now, Clinton Foley didn't do that when the dog first barked or when he first heard the intruder. He went into the other room to see what the dog was barking about, and faced an intruder. He talked with this person, and, while he was talking, he was wiping the lather off of his face onto the towel. Then something happened that made him go back and turn the dog loose. That's when the person fired the shot. You can figure it all out, from the fact that there's lather on that towel, if you want to use your brain to think with, instead of thinking up a lot of foolish questions."
There was a moment of silence in the room, then a voice said, from the shadow which formed a circle beyond the beating illumination of the shaded incandescents: "Yes, I saw that towel."
"If," said Perry Mason, "you fellows would realize something of the significance of that towel, and preserve it as evidence, you might manage to figure out how that murder took place. You have that towel analyzed, and you'll find it's packed with shaving cream that had been wiped from Clinton Foley's face. You notice there's a little lather left on his chin, but not a great deal — not as much as would be expected if he'd been shot while his face was lathered. Also, there's no trace of lather on the floor where his face was resting. I tell you, he wiped the lather off on that towel."
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