"How did you know the tube from the exhaust led into the pipe?"
"I saw it, I tell you! I saw a tube from the exhaust running along the floor and then up into a pipe. You see the pipes from the furnace—that is some of them—ran up through the garage."
"Did Sam Laxter know you'd seen the tube running from the exhaust?" the lawyer asked.
"Sam Laxter," she said very emphatically, "was drunk. He could hardly stand. He switched off his motor and spoke roughly to me."
"What did he say?" Mason asked.
"He said, 'Get the hell out of here. Can't a man ever have any privacy without you snooping around? "
"What did you say?"
"I turned on my heel and left the garage."
"Didn't say anything to him?"
"No."
"Did you switch out the lights when you went out?"
"No, I left the lights on so he could find his way out."
"How did you know he was drunk?"
"From the way he was sprawled all over the seat and the tone of his voice."
Mason's eyes narrowed into thoughtful slits. "See his face clearly?" he asked.
She frowned for a moment, and said, "Why, I don't believe I saw his face. He wears a big creamcolored Stetson, you know, and when I switched on the lights the first thing I saw was this Stetson hat. I walked over toward the side of the car. He was slumped down over the wheel and when I came up beside the car, he hung his head… Come to think of it, I didn't see his face at all."
"Did you recognize his voice?"
"The voice was thick—you know the way a man's voice sounds when he's been drinking."
"In other words," Mason said, "if it came to a showdown in court, you couldn't swear positively that it was Sam Laxter who was in that car, could you?"
"Why, of course I could. No one else around the house wore that sort of a hat."
"Then you're identifying the hat instead of the man."
"What do you mean?"
"Anyone could have put on that hat."
"Yes," she said acidly, "they could have."
"It may be important," Mason said, "and if you had to testify, you'd be crossexamined ruthlessly."
"You mean I'd have to testify about how the fire started?"
"Something like that. How do you know it wasn't Frank Oafley who was sitting in there behind the wheel?"
"I know it wasn't."
"How?"
"Well, if you want to know, because I'd been out with Frank Oafley. We'd been walking, and I'd left him at the corner of the house. He went around toward the front and I came up toward the back. That took me past the garages. That was when I heard the sound of the motor running."
"How about the chauffeur—what was his name Jim Brandon?"
"That's right."
"Could it have been the chauffeur?"
"Not unless he was wearing Sam Laxter's hat."
"Whom else have you told about this?" Mason asked.
"I've told Frank."
"You usually call him by his first name?" Mason asked.
She turned her eyes quickly from Mason's, then, after a moment, raised them to stare defiantly at him. "Yes," she said. "Frank and I are very close friends."
"What did he say when you told him about it?"
"He said there was no way exhaust fumes could start a fire; that I'd just make trouble if I said anything about it, and to keep quiet."
"Whom else did you tell?"
"I told Winifred's boy friend—not Harry Inman—but the other one."
"You mean Douglas Keene?"
"That's right—Douglas Keene."
"Who's Harry Inman?"
"He was a boy who was rushing her. I think she favored him, but, as soon as he found out she wasn't going to get any money, he dropped her like a hot potato."
"What did Douglas Keene say when you told him?"
"Douglas Keene said he thought it was evidence of the greatest importance. He asked me a lot of questions about where the different pipes led, and wanted to know if the pipe into which the tube was running ran up to Peter Laxter's bedroom."
"Did it?"
"I think it did."
"Then what?"
"He advised me to tell the authorities what I'd seen."
"Did you do it?"
"Not yet. I was waiting for… a friend… I wanted to get his advice before I did anything which would cause trouble."
"What time was this that you encountered Sam Laxter in the garage?"
"About half past ten, I guess."
"That was several hours before the fire."
"Yes."
"Do you know whether Sam came in the house immediately after that?"
"No, I don't. I was so angry when he made that crack I walked out to keep from slapping him."
"But he must have returned to the house before the fire because he was in pajamas and robe when you were aroused by the fire."
"Yes, that's so."
"And he was fully clothed when you saw him there in the car?"
"I think so, yes."
"Now, you say that you turned on the lights?"
"Yes. Why?"
"The lights in the garage were off?"
"Yes."
"The door was closed?"
"Yes."
"Then the last person driving a car into that garage must have closed the door behind him, is that right?"
"Yes, of course."
"And the light switch was near the small door."
"Within a few inches of it. Why?"
"Because," Mason said slowly, "if Laxter had driven his car into that garage, he must necessarily have left the car, gone to the garage door, closed it, switched off the lights and then returned to his own car. After all, one doesn't drive cars into garages through closed doors."
"Well, what of it?"
"If he was so drunk he couldn't shut off the motor, but was just sprawled over the wheel, letting the motor run, it would hardly seem possible he'd have been able to get up, close the garage doors, switch out the lights and return to his car."
She nodded slowly.
"I hadn't thought of that."
"You're expecting this friend who is going to advise you what to do?"
"Yes, he's due at any minute."
"Would you mind telling me his name?"
"I don't think that needs to enter into it."
"Is it Frank Oafley?"
"I refuse to answer."
"And you aren't going to tell the authorities about this unless your friend tells you to?"
"I'm not going to commit myself on that. I'm not putting myself entirely in this friend's hands. I'm only asking him for advice."
"But you feel that in some way the fire was started through the exhaust fumes?"
"I'm not a mechanic; I don't know anything about automobiles. I don't know anything about gas furnaces. But I do know there's a flame in that gas furnace all the time, and it seemed to me if the mixture in the carburetor had been rather rich and some gasoline fumes had been thrown into the furnace, they might have exploded and started a fire."
Mason yawned ostentatiously, glanced at Drake and said, "Well, Paul, I guess that isn't going to help us much. There's no way those exhaust fumes could have started a fire."
She looked from one to the other with disappointment on her face.
"Are you sure?"
"Positive."
"Then why was the hose running from the exhaust to the pipe in the heating outfit?"
Mason countered with another question. "There was only one light in the garage?"
"That's right—a very brilliant light which hung in the center of the garage."
"Don't you suppose it's possible what you saw was a rope instead of a hose?"
"Absolutely not—it was some sort of flexible tubing—that is, the outside of it looked like flexible rubber tubing, and it ran from the exhaust of Sam Laxter's car to a hole which had been cut in the heating pipe. It's a big heating pipe, you know, covered with asbes
tos. The hot air goes up through there, into Pete Laxter's bedroom and sitting room."
Mason nodded thoughtfully. "Tell you what I'll do," he said. "I'll look around a little bit and if you decide to tell your story to the authorities I may be able to help you get in touch with some of the members of the homicide squad who aren't quite as skeptical and hardboiled as Sergeant Holcomb."
"I'd like that," she said simply.
"Well," Mason told her, "we'll think it over and give you a buzz, if we get any new ideas. In the meantime, you can let us know what your friend advises you to do. If you decide to tell the authorities, let us know."
She nodded slowly. "Where can I reach you?"
Mason took Drake's arm and, by a gentle pressure, pushed him toward the door. "We'll call you back later on tonight. Simply swell of you to have talked with us," he told her.
"It wasn't an ordeal at all," she said, smiling. "I was glad to tell you all I knew."
In the corridor, the detective looked at the lawyer.
"Well," Mason said, chuckling, "the cat stays."
"So I gathered," Drake observed. "But I don't see just how you're going to play your cards."
Mason led the detective to the end of the corridor, lowered his voice almost to a whisper.
"When next I see my esteemed contemporary, Nat Shuster, I'll ask him to read Section 258 of the Probate Code, which provides, in effect, that no person convicted of murdering a decedent shall be entitled to succeed to any portion of the estate, but the portion that he would be entitled to shall go to the other heirs."
"Let's see if we figure the mechanics of this thing the same way," Drake said.
"Sure we do," Mason answered. "It's dead open and shut. The hotair gas furnace had a lot of pipes leading to different rooms in the house. Each of those pipes had a damper, so that heat could be shut off from the rooms which weren't in use. Sam Laxter committed murder by a very simple process. He drove his car into the garage, clamped flexible tubing to his exhaust pipe, tapped a hole in the pipe which sent hot air to Peter Laxter's bedroom, and closed the damper back of the place where he'd brought the tubing into the pipe. Then he sat in his car, running the motor. Deadly monoxide gas from the automobile exhaust went through the flexible tube into the heating pipe, and was carried into Peter Laxter's bedroom.
"Notice the diabolical cleverness of the thing: He had only to let his motor run in order to bring about a painless death in a room many feet removed from the motor behind locked doors. Then he set fire to the house. Carbon monoxide is normally found in the blood of persons who have expired in burning buildings. It was a beautiful case of murder, and apparently the only witness is this redheaded nurse who caught him in the act, and the only reason she's alive today is that Sam Laxter thinks she doesn't realize the significance of what she saw. Or perhaps he doesn't know she saw the tube leading from the exhaust to the pipe."
The detective pulled a stick of chewing gum from his pocket, and said, "What do we do next?"
"We get in touch with the district attorney," Mason replied. "He's always claimed that a criminal lawyer uses his intelligence to keep murderers from paying the penalties of their crime. Now I'm going to fool him by showing him a perfect murder case I've uncovered, where his own men have fallen down on the job."
"It seems like such a thin skeleton of evidence on which to hang a murder accusation," the detective objected.
"There's nothing thin about it," Mason retorted. "Notice that the time was about quarter past ten at night. It had been dark for several hours. The garage doors were closed. Sam Laxter pretended he'd been drunk when he brought his car into the garage. But he must have left the car, gone to the sliding doors, closed them, and then climbed back in the car and kept the motor running. He must have attached the flexible tubing to his exhaust pipe and then must have arranged to feed it into the pipe which ran to his grandfather's room. Then all he had to do was to start the motor. Probably he didn't need to keep it running very long. If I remember my forensic medicine correctly, the exhaust gas of motor cars produces carbon monoxide at the rate of one cubic foot per minute per twenty horsepower. The average garage can be filled with deadly fumes in five minutes from running an ordinary automobile. Exposure to an atmosphere containing as little as twotenths of one percent of the gas will cause a fatal result in time. The post mortem indications are a bright, cherryred blood. The gas affects the blood so that it can't distribute oxygen to the tissues, and these indications are customarily found in the blood of one who has died in a burning house.
"We'll hand it to Samuel C. Laxter for being damned clever. If it hadn't been for the fortuitous circumstances of that nurse happening on him, he'd have committed a perfect murder."
"You're putting this whole thing in the hands of the district attorney?" Drake ventured, his eyes rolling toward Perry Mason, his face utterly devoid of expression.
"Yes."
"Hadn't you better find out just where your client stands in this thing first?"
Mason said slowly, "No, I don't think so. If my client has done wrong, I'm not going to try and shield him. I'm employed to see that he keeps his cat, and, by God, he's going to keep that cat. If he's found money that belongs to the estate and has embezzled it, that's an entirely different matter. And don't overlook the fact that Pete Laxter may have made a valid gift of that money to Ashton before his death."
"Baloney," the detective remarked. "Pete Laxter didn't expect to die; therefore, there was no reason for him to give away his money."
"Don't be to too certain," Mason said. "He had some reason for turning his property into cash. But let's quit speculating about that, Paul. The main thing in handling a lawsuit is to keep the other man's client on the defensive, not to get yours in a position where he has to do a lot of explaining. However, I'll give Ashton a buzz and tell him that I think his cat is safe."
The detective laughed. "Talk about using a tengauge shotgun to kill a canary," he said, "we certainly are getting into a lot of ramifications in order to keep a cat alive."
"And," Mason said, "in order to show Nat Shuster that he can't cut corners with me and get away with it. Don't forget that angle, Paul."
"There's a public telephone in the drugstore around the corner," Drake said.
"Okay, Paul, let's telephone Ashton and telephone the district attorney."
They strolled around the corner. Mason dropped a dime in, dialed the number listed under the name of Peter Laxter, and asked for Charles Ashton. It took several minutes before he heard Ashton's rasping voice on the telephone.
"This is Perry Mason talking, Ashton. I don't think you need to worry any more about Clinker."
"Why not?" Ashton asked.
"I think that Sam Laxter is going to have his hands full," Mason explained. "I think he'll be kept quite well occupied. Don't say anything just yet to any of the servants, but I think there's a possibility Sam Laxter may be summoned to the district attorney's office to answer some questions."
The caretaker's voice was harshly strident. "Can you tell me what about?"
"No. I've told you everything I can. Just keep it under your hat."
There was growing uneasiness manifest in the tones of Ashton's voice. "Wait a minute, Mr. Mason. I don't want you to go too far in this thing. There are some reasons why I don't want the district attorney messing around asking questions."
Mason's tone was one of finality. "You employed me to see your cat wasn't poisoned. I'm going to do just that."
"But this is something else," Ashton said. "I want to see you about it."
"See me tomorrow then. In the meantime, give Clinker a dish of cream with my compliments."
"But I must see you, if the district attorney's going to start an investigation."
"Okay, see me tomorrow, then," Mason told him, and hung up. He made a wry grimace as he turned from the telephone booth and faced the detective.
"These damn cat cases," he said, "are more bother than they're worth. Let's go hunt up the district a
ttorney."
"Sound as though he had a guilty conscience?" Drake asked.
Mason shrugged his shoulders. "My clients never have guilty consciences, Paul. And, after all, don't forget my real client is the cat."
Drake chuckled and said, "Sure, I understand, but just as a side line I sure would like to know where Ashton got that money… Listen, Perry, it's starting to rain. I'd prefer to use my car if we're going places."
Mason, thumbing through the telephone directory for the residence number of the district attorney, said, "Sorry, Paul, we're going places, but you won't have a chance to get your car—we'll be moving too fast… I'll get out my convertible. We can use that."
Drake groaned. "I was afraid of that. You drive like hell on wet roads."
Chapter 6
There was something suggestive of a huge bear about Hamilton Burger, the district attorney. He was broad of shoulders, thick of neck, and, when he moved, his arms had that peculiar swinging rhythm which speaks for a network of perfectly coordinated muscles rippling under the skin.
"You know, Mason," he said, "I'm anxious to cooperate with you whenever cooperation is possible. I've told you before, and I'll tell you again, that I've a horror of prosecuting an innocent man; but I'll also tell you that I don't like to have anyone use me for a cat'spaw."
Mason sat silent. Paul Drake, sprawled in a chair, his long legs thrust out in front of him, kept his glassy eyes fixed on the toes of his shoes, and managed to look bored.
Burger started pacing the floor, his manner nervous. He flung his head around in a half turn as a bear might sniff the wind, and said, "You're a good lawyer, Mason."
Perry Mason sat quiet.
Burger pivoted on his heel, started walking in the other direction. He said, flinging the words over his shoulder, "But you're a better detective than you are a lawyer. When you turn your mind to the solution of a crime, you ferret out the truth. That doesn't keep you from defending guilty clients."
Mason said nothing.
Burger took one more turn; then stopped abruptly, swung to face Mason, leveled his forefinger and said, "If the people in my office thought that I was going to act on information you had given me, they'd think you were making a cat'spaw of me."
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