CHAPTER XI.

A RECONSTRUCTED DRAMA.

As he spoke, Sturgis handed Dunlap the sheet of paper upon which he had

traced a plan of the Knickerbocker bank.

"From this point on," he continued, "I have indicated the various

trails on the diagram. The dotted lines represent Arbogast's

footprints; the continuous lines show Chatham's trail."

"How can you distinguish between the two?" inquired Dunlap.

"There is no difficulty about that," replied Sturgis. "The differences

are very marked. I know Arbogast's foot because I have seen it; and I

know that the other one is Chatham's because you recognized the man

from the description I gave of him."

"Yes, I know. But how could you describe him so accurately when you

have never seen him?"

"I shall come to that presently," said Sturgis, smiling; "you must let

me tell my story in my own way, if I am to tell it connectedly."

"Very well," said the banker, resignedly. "Hold on, though," he

exclaimed; "you speak of two sets of trails; but what is this third set

of lines, marked by alternate dots and dashes?"

"They represent the traces of a third individual, who will appear

upon the scene later on. He has not yet received his cue. But, since

you mention him, we may put him down in the cast as 'X,' the unknown

quantity of the problem; for I do not yet know his name. Now, then; let

me see. Where was I? Your interruption has made me lose the thread. Oh,

yes; the men were in this room. Arbogast, nervous and excited, paced

back and forth, like a caged animal. Chatham was more collected. It

was warm in the bank, as compared with the intense cold outside; he

removed his overcoat and threw it over the back of that chair in the

corner. This fact is shown by the direction of the footsteps toward

the chair, and by a mark directly below the arm of the chair where the

garment trailed upon the wet floor. Chatham's carelessness was fraught

with serious consequences; for, as luck would have it, there was, in

one of the pockets of his coat, an important letter, which slipped out

and fell upon the floor superscription uppermost. Here is the envelope

itself, which I have pieced together. You will see that it is soiled

only upon the back, and here near the chair is the faint oblong mark

which it left upon the floor. Chatham went to the telephone in the

cashier's office. He probably did not see the letter fall. It caught

Arbogast's eye, however; and you may imagine his surprise when he saw

that it was addressed to his wife. What had his accomplice to write

to his wife? Arbogast evidently was not restrained by any feelings of

delicacy in the matter, or else he was already suspicious of Chatham;

for he picked up the envelope, tore it open, and read the letter which

lies before you, as I have pieced it together. It makes interesting

reading. I do not wonder that Arbogast lost his head when he saw it.

Read it for yourself."

"Why," exclaimed Dunlap, after reading the letter, "this announces his

intention of committing suicide."

"Precisely; and yet Arbogast did not commit suicide; probably never

had any intention of doing so; and, at any rate, did not write

that letter. You will observe that it is not signed; the name is

typewritten, like the rest of the letter, which, moreover, was not

written here, as the superscription would seem to indicate. I have

tried your typewriter, and although it is of the same make as the one

upon which this letter was written, there are several characteristic

differences in the alignment and in the imperfections of the type.

"Besides," continued Sturgis, thoughtfully, "the letter itself bears

evidence, on its face, that it could not have been written by Arbogast.

Your bookkeeper was of a weak, nervous, excitable temperament, as all

his actions plainly show. Before such a man is brought to the point

of taking his own life, he must have passed through a more or less

protracted period of agonizing nervous tension, of which you and I

can hardly form any adequate conception. Under the circumstances, if

he loved his wife, conscious that by his guilt he was about to plunge

her into the depths of grief and shame, he might have written her an

incoherent and hysterical letter, or a tender and repentant letter,

but never this frigid matter-of-fact statement of a supreme decision.

This letter is the work of a cold and calculating nature, incapable

of ordinary human feeling. The man who wrote it would not have written

to his wife at all, or would have written only to serve some selfish

purpose. From what I know of Arbogast, I do not believe he was capable

of composing these lines."

"You think, then, that the letter was written by Chatham," said Dunlap.

"But what object could Chatham have for writing such a letter?"

"No," answered Sturgis, "I do not think that Chatham wrote this letter.

That is the curious part of it. I cannot believe that if Chatham had

been aware of the important nature of its contents, he could have been

willing to leave it for an instant within Arbogast's reach."

"But who, then, could have been its author, and why should he have

intrusted the letter to Chatham?"

"To your second question, my answer is, probably because he wanted it

mailed from the main Post Office at about the time that Arbogast would

leave the bank. To the first, I cannot yet give any positive answer,

although, as you will presently see, there are some clues pointing to

our unknown quantity 'X' as the author of this letter. But let us not

anticipate. Suppose we return to our drama. When Arbogast read this

letter, he evidently thought, as I do, that somebody was playing him

false; that he was to be gotten rid of in some safer way than exile;

in short that, as somebody said of one of the Turkish sultans, he was

to be 'suicided.' He must have had strong reasons to suspect Chatham

of treachery; for he at once impulsively jumped to the conclusion that

his only chance of safety lay in striking before he could be struck.

At any rate, while the accountant was busy at the telephone, Arbogast

stood near this desk, mechanically tearing to pieces this letter,

while he planned the accountant's death. He had taken with him your

revolver. As the thought of it flashed upon his mind, his resolution

was instantly taken. He stealthily crept to the paying teller's wicket.

Through it he could see the telephone closet, the door of which stood

open. Chatham was in direct range, as Arbogast raised the pistol, and,

without a word of warning, fired. The accountant held the receiver of

the telephone to his ear. This saved his life; for the bullet entered

his left hand and remained embedded in his flesh. I shall show you the

blood-stained receiver in proof of this assertion. When the bullet

struck him, Chatham fell forward, striking his head against a corner

of the telephone box, and inflicting a slight scalp wound. I found a

few hairs of an intensely red hue, which are evidently his. I also

found shreds of his clothing which caught on a projecting nail as he

fell; and I infer from these his taste for loud dress. He recovered

himself before Arbogast was ready to fire a second time and ran into

the clerks' room, probably hoping to make his way to the street through

the Exchange Place door. But at the same time, Arbogast rushed through

the reception room and this office, reaching the vestibule in time to

head off Chatham, who then turned back and ran through the secretary's

room, with Arbogast in pursuit. In the meantime, 'X,' to whom I have

already alluded, was waiting in Exchange Place, where Chatham had

a cab. Upon hearing the pistol shot, he went to the accountant's

assistance. He passed into this office, which he probably reached in

time to see Chatham rush in from the secretary's room, closely followed

by Arbogast. 'X' seized that chair over there in the corner and sprang

between the hunted man and his pursuer as the latter raised his arm to

fire. Our anonymous friend is probably a man of great strength; for

with one blow of the chair, he broke the bookkeeper's wrist. The hammer

fell; but the weapon was deflected, and the bullet, instead of reaching

its intended victim, passed through the upper lobe of Arbogast's left

lung, and out at the back at an angle of about sixty degrees. The

bookkeeper was standing not far from the mantel-piece yonder. Do you

see that broad black line on the hearth? That was made by the bullet.

Its direction and the angle enabled me at once to see that it must have

ricochetted into the fire-place; and there, sure enough, I found it in

the soot in the bend of the chimney. Here it is."

Dunlap had listened to this narrative with evident interest. But now,

recovering from the spell of Sturgis's persuasive conviction, his

skepticism regained the ascendancy for a moment.

"Mr. Sturgis, you have missed your vocation," he said, laughing good

naturedly; "you ought to have been a playwright. You have a most

convincing way of presenting both your facts and your theories. While

you are speaking, one is ready to admit the plausibility of every

statement you make. But now that you have finished, I have become

a hard-headed banker once more, and I beg to submit one or two

facts--since we are seeking facts--which it seems to me are enough to

demolish all your elaborate structure."

"Go on," said Sturgis; "it goes without saying that any theory is

worthless unless it takes into account and explains every existing

fact. If there are any in this case which have escaped me--a

contingency which is quite possible, for I have no pretension to

infallibility--I shall be glad to hear about them; and naturally, if

my conclusions do not tally with the facts, the conclusions must be

altered, since facts are absolute."

"Well then," said Dunlap, "assuming, for the sake of the argument, that

these various marks which you have called trails were made by the feet

of three different people; admitting even that one of these individuals

was Arbogast, who often stays here after banking hours, I do not see

that you have established by any satisfactory evidence your assumption

that the other so-called trails are those of Chatham and a stranger.

For aught I know to the contrary, they may have been made by some of

the bank employés in the discharge of their regular duties. Chatham's

coat may have caught on a nail in the telephone closet last week,

while he was here in his legitimate capacity of expert accountant. The

change of the combination of the safe may be the result of an error;

for we have no direct proof whatever that Arbogast is a defaulter. And

then, when it comes to your interesting description of the alleged

shooting of Arbogast, it strikes me that you are entirely carried away

by your enthusiasm; for, in your minute description of the path of

the bullet, at a certain angle, of which you seem to know the measure

almost to the fraction of a second, you overlook several important

things. Two shots were fired yesterday in or near the Knickerbocker

bank. _In_, say you, because here is a revolver with two empty

cartridge shells; here is a black mark, which may have been produced

by the ricochet of a bullet, and here is a shapeless piece of lead,

which may be that bullet. As, however, one bullet cannot account for

two shots, you are forced at once to assume that Chatham has carried

away the second one in the palm of his hand. This is ingenious, very

ingenious, but----"

"His blood is on the telephone receiver," observed Sturgis quietly.

"Blood!" exclaimed Dunlap; "why, with the carnage that you have

imagined here, there should be oceans of blood. Here is a man, running

around with a wounded hand, who leaves a few drops of blood on the

telephone receiver, and nowhere else. And here is another man, shot

through the lungs,--excuse me, through the upper lobe of the left

lung,--who does not bleed at all. And where is he now? Such a wound as

you have given him must, I take it, be fatal, or, at any rate, serious.

Yet here is a dead or, at least, a dying man, calmly walking off as

if--as if the curtain had fallen at the end of your drama, and the

corpse had hurried off to his dressing-room."

"You have forgotten something else," suggested the reporter smiling.

Dunlap looked at him questioningly.

"Yes; you have forgotten the pistol replaced in the drawer after

Arbogast was shot, and the doors of the bank carefully locked."

"True. No, my dear sir; your elaborate theory will not bear an

instant's calm examination."

"And yet," rejoined Sturgis, "my conclusions, as far as they go, are

absolutely correct. Every objection which you raise is plausible

enough when considered by itself; but we have not to deal with a lot

of isolated facts, but with a series of connected events, each of which

depends upon and supports all the others. Let me finish my story, and I

think you will then be prepared to admit that what seems to you now a

flight of fancy on my part, is nothing but a sober exposition of plain

unvarnished facts."

Dunlap, with a deprecating gesture, settled back into his chair once

more.

"We left Arbogast shot through the left lung,--fatally wounded, as

you have just remarked. He probably fell like a log; while Chatham,

weak from shock, leaned against the door jamb yonder. He had probably

stanched his wound with his free hand as he ran; I have been unable

to find any trace of blood between the telephone and this spot. On

the door jamb, however, the blood left a stain which has not been

completely wiped out and which enabled me to judge of Chatham's

height. 'X' was the only one of the trio who knew what he was about

at this time. I have a genuine admiration for 'X'; he must be a man

of marvelous nerve. Instead of flying panic-stricken from the scene,

as any ordinary criminal would have done, he calmly proceeded to

protect his retreat and to systematically cover his trail. His first

step was to lock the Wall Street gate and the inside door. Quinlan

had doubtless pulled the outer door to as he ran away, so that 'X'

probably thought this also locked. He then, with Chatham's assistance,

helped Arbogast, who was not yet dead, and who perhaps by this time

had regained consciousness, into the cab which was waiting near by in

Exchange Place, where I found the blood-stains on the curb, as you

will remember. After starting off his two accomplices in the cab, he

returned to the bank, put away the pistol in its proper place, which,

by the way, he seems to have known, and washed up all or nearly all

the blood-stains. There is a sponge and bucket under the sink in the

clerks' room, which were used in this operation. After, as he thought,

completely obliterating all traces of the tragedy, he quietly walked

off by the Exchange Place entrance, locked the door and threw away the

key. All this, while policeman Flynn was chasing Quinlan. You will note

that 'X,' knowing nothing of the Quinlan episode, was quite justified

in believing that the shots had failed to attract any attention outside

of the bank. Very likely he was disturbed by the return of the

policeman and Quinlan; I cannot otherwise account for his having left

the gas burning. Had he had the time, I feel confident that, with his

customary thoroughness, he would have turned it out. As to my minute

description of Arbogast's wounds, there is nothing remarkable in that.

I know that the weapon used by 'X' was yonder chair, because I found

particles of the bookkeeper's epidermis upon one of the legs, which was

considerably loosened by the blow. But I know exactly what the wounds

were, because I have examined them. I told you that I had seen Arbogast

yesterday."

"What!" exclaimed Dunlap, "you mean after he was wounded?"

"Yes," replied Sturgis; "his body is at the morgue now. You might call

there this afternoon to identify it, if you choose; but, everything

considered, it might be as well not to make the identification public

until we are well on the track of Chatham and our friend 'X.'"

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