"Enstone committed suicide," said Teal flatly. "What sort of clues do you want ?"
"Why did he commit suicide?" asked the Saint, almost childishly.
Teal ruminated meditatively for a while, without answering. If anyone else had started such a discussion he would have been openly derisive. The same impulse was stirring him then; but he restrained himself. He knew Simon Templar's wicked sense of humour, but he also knew that sometimes the Saint was most worth listening to when he sounded most absurd.
"Call me up in the morning," said Mr. Teal at length, "and I may be able to tell you."
Simon Templar went home and slept fitfully. Lewis Enstone had shot himself—it seemed an obvious fact. The windows had been closed and fastened, and any complicated trick of fastening them from the outside and escaping up or down a rope-ladder was ruled out by the bare two or three seconds that could have elapsed between the sound of the shot and the valet rushing in. But Fowler himself might. . . . Why not suicide, anyway? But the Saint could run over every word and gesture and expression of the leave-taking which he himself had witnessed in the hotel lobby, and none of it carried even a hint of suicide. The only oddity about it had been the queer inexplicable piece of pantomime—the fist clenched, with the forefinger extended and the thumb cocked up in crude symbolism of a gun—the abstruse joke which had dissolved Enstone into a fit of inanely delighted giggling, with the hearty approval of his guests. . . . The psychological problem fascinated him. It muddled itself up with a litter of brown paper and a cardboard box, a wooden plate of pecking chickens, photographs . . . and the tangle kaleidoscoped through his dreams in a thousand different convolutions until morning.
At half-past twelve he found himself turning on to the Embankment with every expectation of being told that Mr. Teal was too busy to see him; but he was shown up a couple of minutes after he had sent in his name.
"Have you found out why Enstone committed suicide?" he asked.
"I haven't," said Teal, somewhat shortly. "His brokers say it's true that he'd been speculating successfully. Perhaps he had another account with a different firm which wasn't so lucky. We'll find out."
"Have you seen Costello or Hammel ?"
"I've asked them to come and see me. They're due here about now."
Teal picked up a typewritten memorandum and studied it absorbedly. He would have liked to ask some questions in his turn, but he didn't. He had failed lamentably, so far, to establish any reason whatsoever why Enstone should have committed suicide; and he was annoyed. He felt a personal grievance against the Saint for raising the question without also taking steps to answer it, but pride forbade him to ask for enlightenment. Simon lighted a cigarette and smoked imperturbably until in a few minutes Costello and Hammel were announced. Teal stared at the Saint thoughtfully while the witnesses were seating themselves, but strangely enough he said nothing to intimate that police interviews were not open to outside audiences.
Presently he turned to the tall man with the thin black moustache.
"We're trying to find a reason for Enstone's suicide, Mr. Costello," he said. "How long have you known him?"
"About eight or nine years."
"Have you any idea why he should have shot himself?"
"None at all, Inspector. It was a great shock. He had been making more money than most of us. When we were with him last night, he was in very high spirits—his family was on the way home, and he was always happy when he was looking forward to seeing them again."
"Did you ever lose money in any of his companies?"
"No."
"You know that we can investigate that?"
Costello smiled slightly.
"I don't know why you should take that attitude, Inspector, but my affairs are open to any examination."
"Have you been making money yourself lately?"
"No. As a matter of fact, I've lost a bit," said Costello frankly. "I'm interested in International Cotton, you know."
He took out a cigarette and a lighter, and Simon found his eyes riveted on the device. It was of an uncommon shape, and by some means or other it produced a glowing heat instead of a flame. Quite unconscious of his own temerity, the Saint said: "That's something new, isn't it? I've never seen a lighter like that before."
Mr. Teal sat back blankly and gave the Saint a look which would have shrivelled any other interrupter to a cinder; and Costello turned the lighter over and said: "It's an invention of my own—I made it myself."
"I wish I could do things like that," said the Saint admiringly. "I suppose you must have had a technical training."
Costello hesitated for a second. Then:
"I started in an electrical engineering workshop when I was a boy," he explained briefly, and turned back to Teal's desk.
After a considerable pause the detective turned to the tubby man with glasses, who had been sitting without any signs of life except the ceaseless switching of his eyes from one speaker to another.