His examination of the looted library was minute, taking in the window

through which the thief had apparently entered, the cabinet he had

forced, and the situation in general. Finally Craig set up his camera

with most particular care and took several photographs of the window,

the cabinet, the doors, including the room from every angle. Outside he

snapped the two sides of the corner of the house in which the library

was situated. Partly by trolley and partly by carriage we crossed the

island to the south shore, and finally found McLoughlin's farm where we

had no trouble in getting half a dozen photographs of the porch and

house. Altogether the proceedings seemed tame to me, yet I knew from

previous experience that Kennedy had a deep laid purpose.

We parted in the city, to meet just before it was time to visit Miss

Ashton. Kennedy had evidently employed the interval in developing his

plates, for he now had ten or a dozen prints, all of exactly the same

size, mounted on stiff cardboard in a space with scales and figures on

all four sides. He saw me puzzling over them.

"Those are metric photographs such as Bertillon of Paris takes," he

explained. "By means of the scales and tables and other methods that

have been worked out we can determine from those pictures distances and

many other things almost as well as if we were on the spot itself.

Bertillon has cleared up many crimes with this help, such as the

mystery of the shooting in the Hotel Quai d'Orsay and other cases. The

metric photograph, I believe, will in time rank with the portrait

parle, finger prints, and the rest.

"For instance, in order to solve the riddle of a crime the detective's

first task is to study the scene topographically. Plans and elevations

of a room or house are made. The position of each object is

painstakingly noted. In addition, the all-seeing eye of the camera is

called into requisition. The plundered room is photographed, as in this

case. I might have done it by placing a foot rule on a table and taking

that in the picture, but a more scientific and accurate method has been

devised by Bertillon. His camera lens is always used at a fixed height

from the ground and forms its image on the plate at an exact focus. The

print made from the negative is mounted on a card in a space of

definite size, along the edges of which a metric scale is printed. In

the way he has worked it out the distance between any two points in the

picture can be determined. With a topographical plan and a metric

photograph one can study a crime as a general studies the map of a

strange country. There were several peculiar things that I observed

to-day, and I have here an indelible record of the scene of the crime.

Preserved in this way it cannot be questioned.

"Now the photographs were in this cabinet. There are other cabinets,

but none of them has been disturbed. Therefore the thief must have

known just what he was after. The marks made in breaking the lock were

not those of a jimmy but of a screwdriver. No amazing command of the

resources of science is needed so far. All that is necessary is a

little scientific common sense, Walter.

"Now, how did the robber get in? All the windows and doors were

supposedly locked. It is alleged that a pane was cut from this window

at the side. It was, and the pieces were there to show it. But take a

glance at this outside photograph. To reach that window even a tall man

must have stood on a ladder or something. There are no marks of a

ladder or of any person in the soft soil under the window. What is

more, that window was cut from the inside. The marks of the diamond

which cut it plainly show that. Scientific common sense again."

"Then it must have been some one in the house or at least some one

familiar with it?" I exclaimed.

Kennedy nodded. "One thing we have which the police greatly neglect,"

he pursued, "a record. We have made some progress in reconstructing the

crime, as Bertillon calls it. If we only had those Hanford pictures we

should be all right."

We were now on our way to see Miss Ashton at headquarters, and as we

rode downtown I tried to reason out the case. Had it really been a

put-up job? Was Travis himself faking, and was the robbery a "plant" by

which he might forestall exposure of what had become public property in

the hands of another, no longer disposed to conceal it? Or was it after

all the last desperate blow of the Boss?

The whole thing began to assume a suspicious look in my mind. Although

Kennedy seemed to have made little real progress, I felt that, far from

aiding Travis, it made things darker. There was nothing but his

unsupported word that he had not visited the Boss subsequent to the

nominating convention. He admitted having done so before the Reform

League came into existence. Besides it seemed tacitly understood that

both the Boss and Cadwalader Brown acquiesced in the sworn statement of

the man who said he had made the pictures. Added to that the mere

existence of the actual pictures themselves was a graphic clincher to

the story. Personally, if I had been in Kennedy's place I think I

should have taken advantage of the proviso in the compact with Travis

to back out gracefully. Kennedy, however, now started on the case, hung

to it tenaciously.

Miss Ashton was waiting for us at the press bureau. Her desk was at the

middle of one end of the room in which, if she could keep an eye on her

office force, the office force also could keep an eye on her.

Kennedy had apparently taken in the arrangement during our morning

visit, for he set to work immediately. The side of the room toward the

office of Travis and Bennett presented an expanse of blank wall. With a

mallet he quickly knocked a hole in the rough plaster, just above the

baseboard about the room. The hole did not penetrate quite through to

the other side. In it he placed a round disc of vulcanised rubber, with

insulated wires leading down back of the baseboard, then out underneath

it, and under the carpet. Some plaster quickly closed up the cavity in

the wall, and he left it to dry.

Next he led the wires under the carpet to Miss Ashton's desk. There

they ended, under the carpet and a rug, eighteen or twenty huge coils

several feet in diameter disposed in such a way as to attract no

attention by a curious foot on the carpet which covered them.

"That is all, Miss Ashton," he said as we watched for his next move. "I

shall want to see you early to-morrow, and,--might I ask you to be sure

to wear that hat which you have on?"

It was a very becoming hat, but Kennedy's tone clearly indicated that

it was not his taste in inverted basket millinery that prompted the

request. She promised, smiling, for even a suffragette may like pretty

hats.

Craig had still to see Travis and report on his work. The candidate was

waiting anxiously at his hotel after a big political mass meeting on

the East Side, at which capitalism and the bosses had been hissed to

the echo, if that is possible.

"What success?" inquired Travis eagerly.

"I'm afraid," replied Kennedy, and the candidate's face fell at the

tone, "I'm afraid you will have to meet them, for the present. The time

limit will expire to-morrow, and I understand Hanford is coming up for

a final answer. We must have copies of those photographs, even if we

have to pay for them. There seems to be no other way."

Travis sank back in his chair and regarded Kennedy hopelessly. He was

actually pale. "You--you don't mean to say that there is no other way,

that I'll have to admit even before Bennett--and others that I'm in

bad?"

"I wouldn't put it that way," said Kennedy mercilessly, I thought.

"It is that way," Travis asserted almost fiercely. "Why, we could have

done that anyhow. No, no,--I don't mean that. Pardon me. I'm upset by

this. Go ahead," he sighed.

"You will direct Bennett to make the best terms he can with Hanford

when he comes up to-morrow. Have him arrange the details of payment and

then rush the best copies of the photographs to me."

Travis seemed crushed.

We met Miss Ashton the following morning entering her office. Kennedy

handed her a package, and in a few words, which I did not hear,

explained what he wanted, promising to call again later.

When we called, the girls and other clerks had arrived, and the office

was a hive of industry in the rush of winding up the campaign.

Typewriters were clicking, clippings were being snipped out of a huge

stack of newspapers and pasted into large scrap-books, circulars were

being folded and made ready to mail for the final appeal. The room was

indeed crowded, and I felt that there was no doubt, as Kennedy had

said, that nothing much could go on there unobserved by any one to

whose interest it was to see it.

Miss Ashton was sitting at her desk with her hat on directing the work.

"It works," she remarked enigmatically to Kennedy.

"Good," he replied. "I merely dropped in to be sure. Now if anything of

interest happens, Miss Ashton, I wish you would let me know

immediately. I must not be seen up here, but I shall be waiting

downstairs in the corridor of the building. My next move depends

entirely on what you have to report."

Downstairs Craig waited with growing impatience. We stood in an angle

in which we could see without being readily seen, and our impatience

was not diminished by seeing Hanford enter the elevator.

I think that Miss Ashton would have made an excellent woman detective,

that is, on a case in which her personal feelings were not involved as

they were here. She was pale and agitated as she appeared in the

corridor, and Kennedy hurried toward her.

"I can't believe it. I won't believe it," she managed to say.

"Tell me, what happened?" urged Kennedy soothingly.

"Oh, Mr. Kennedy, why did you ask me to do this?" she reproached. "I

would almost rather not have known it at all."

"Believe me, Miss Ashton," said Kennedy, "you ought to know. It is on

you that I depend most. We saw Hanford go up. What occurred?"

She was still pale, and replied nervously, "Mr. Bennett came in about

quarter to ten. He stopped to talk to me and looked about the room

curiously. Do you know, I felt very uncomfortable for a time. Then he

locked the door leading from the press bureau to his office, and left

word that he was not to be disturbed. A few minutes later a man called."

"Yes, yes," prompted Kennedy. "Hanford, no doubt."

She was racing on breathlessly, scarcely giving one a chance to inquire

how she had learned so much.

"Why," she cried with a sort of defiant ring in her tone, "Mr. Travis

is going to buy those pictures after all. And the worst of it is that I

met him in the hall coming in as I was coming down here, and he tried

to act toward me in the same old way--and that after all I know now

about him. They have fixed it all up, Mr. Bennett acting for Mr.

Travis, and this Mr. Hanford. They are even going to ask me to carry

the money in a sealed envelope to the studio of this fellow Hanford, to

be given to a third person who will be there at two o'clock this

afternoon."

"You, Miss Ashton?" inquired Kennedy, a light breaking on his face as

if at last he saw something.

"Yes, I," she repeated. "Hanford insisted that it was part of the

compact. They--they haven't asked me openly yet to be the means of

carrying out their dirty deals, but when they do, I--I won't----"

"Miss Ashton," remonstrated Kennedy, "I beg you to be calm. I had no

idea you would take it like this, no idea. Please, please. Walter, you

will excuse us if we take a turn down the corridor and out in the air.

This is most extraordinary."

For five or ten minutes Kennedy and Miss Ashton appeared to be

discussing the new turn of events earnestly, while I waited

impatiently. As they approached again she seemed calmer, but I heard

her say, "I hope you're right. I'm all broken up by it. I'm ready to

resign. My faith in human nature is shaken. No, I won't expose Wesley

Travis for his sake. It cuts me to have to admit it, but Cadwalader

used always to say that every man has his price. I am afraid this will

do great harm to the cause of reform and through it to the woman

suffrage cause which cast its lot with this party. I--I can hardly

believe----"

Kennedy was still looking earnestly at her. "Miss Ashton," he implored,

"believe nothing. Remember one of the first rules of politics is

loyalty. Wait until----"

"Wait?" she echoed. "How can I? I hate Wesley Travis for giving

in--more than I hate Cadwalader Brown for his cynical disregard of

honesty in others."

She bit her lip at thus betraying her feelings, but what she had heard

had evidently affected her deeply. It was as though the feet of her

idol had turned to clay. Nevertheless it was evident that she was

coming to look on it more as she would if she were an outsider.

"Just think it over," urged Kennedy. "They won't ask you right away.

Don't do anything rash. Suspend judgment. You won't regret it."

Craig's next problem seemed to be to transfer the scene of his

operations to Hanford's studio. He was apparently doing some rapid

thinking as we walked uptown after leaving Miss Ashton, and I did not

venture to question him on what had occurred when it was so evident

that everything depended on being prepared for what was still to occur.

Hanford was out. That seemed to please Kennedy, for with a brightening

face, which told more surely than words that he saw his way more and

more clearly, he asked me to visit the agent and hire the vacant office

next to the studio while he went uptown to complete his arrangements

for the final step.

I had completed my part and was waiting in the empty room when he

returned. He lost no time in getting to work, and it seemed to me as I

watched him curiously in silence that he was repeating what he had

already done at the Travis headquarters. He was boring into the wall,

only this time he did it much more carefully, and it was evident that

if he intended putting anything into this cavity it must be pretty

large. The hole was square, and as I bent over I could see that he had

cut through the plaster and laths all the way to the wallpaper on the

other side, though he was careful to leave that intact. Then he set up

a square black box in the cavity, carefully poising it and making

measurements that told of the exact location of its centre with

reference to the partitions and walls.

A skeleton key took us into Hanford's well-lighted but now empty

studio. For Miss Ashton's sake I wished that the photographs had been

there. I am sure Kennedy would have found slight compunction in a

larceny of them, if they had been. It was something entirely different

that he had in mind now, however, and he was working quickly for fear

of discovery. By his measurements I guessed that he was calculating as

nearly as possible the centre of the box which he had placed in the

hole in the wall on the other side of the dark wallpaper. When he had

quite satisfied himself he took a fine pencil from his pocket and made

a light cross on the paper to indicate it. The dot fell to the left of

a large calendar hanging on the wall.

Kennedy's appeal to Margaret Ashton had evidently had its effect, for

when we saw her a few moments after these mysterious preparations she

had overcome her emotion.

"They have asked me to carry a note to Mr. Hanford's studio," she said

quietly, "and without letting them know that I know anything about it I

have agreed to do so."

"Miss Ashton," said Kennedy, greatly relieved, "you're a trump."

"No," she replied, smiling faintly, "I'm just feminine enough to be

curious."

Craig shook his head, but did not dispute the point. "After you have

handed the envelope to the person, whoever it may be, in Hanford's

studio, wait until he does something--er,--suspicious. Meanwhile look

at the wall on the side toward the next vacant office. To the left of

the big calendar you will see a light pencil mark, a cross. Somehow you

must contrive to get near it, but don't stand in front of it. Then if

anything happens stick this little number 10 needle in the wall right

at the intersection of the cross. Withdraw it quickly, count fifteen,

then put this little sticker over the cross, and get out as best you

can, though we shan't be far away if you should need us. That's all."

We did not accompany her to the studio for fear of being observed, but

waited impatiently in the next office. We could hear nothing of what

was said, but when a door shut and it was evident that she had gone,

Kennedy quickly removed something from the box in the wall covered with

a black cloth.

As soon as it was safe Kennedy had sent me posting after her to secure

copies of the incriminating photographs which were to be carried by her

from the studio, while he remained to see who came out. I thought a

change had come over her as she handed me the package with the request

that I carry it to Mr. Bennett and get them from him.

The first inkling I had that Kennedy had at last been able to trace

back something in the mysterious doings of the past two days came the

following evening, when Craig remarked casually that he would like to

have me call on Billy McLoughlin if I had no engagement. I replied that

I had none--and managed to squirm out of the one I really had.

The Boss's office was full of politicians, for it was the eve of "dough

day," when the purse strings were loosed and a flood of potent argument

poured forth to turn the tide of election. Hanford was there with the

other ward heelers.

"Mr. McLoughlin," began Kennedy quietly, when we were seated alone with

Hanford in the little sanctum of the Boss, "you will pardon me if I

seem a little slow in coming to the business that has brought me here

to-night. First of all, I may say, and you, Hanford, being a

photographer will appreciate it, that ever since the days of Daguerre

photography has been regarded as the one infallible means of portraying

faithfully any object, scene, or action. Indeed a photograph is

admitted in court as irrefutable evidence. For when everything else

fails, a picture made through the photographic lens almost invariably

turns the tide. However, such a picture upon which the fate of an

important case may rest should be subjected to critical examination for

it is an established fact that a photograph may be made as untruthful

as it may be reliable. Combination photographs change entirely the

character of the initial negative and have been made for the past fifty

years. The earliest, simplest, and most harmless photographic deception

is the printing of clouds into a bare sky. But the retoucher with his

pencil and etching tool to-day is very skilful. A workman of ordinary

skill can introduce a person taken in a studio into an open-air scene

well blended and in complete harmony without a visible trace of falsity.

"I need say nothing of how one head can be put on another body in a

picture, nor need I say what a double exposure will do. There is almost

no limit to the changes that may be wrought in form and feature. It is

possible to represent a person crossing Broadway or walking on

Riverside Drive, places he may never have visited. Thus a person

charged with an offence may be able to prove an alibi by the aid of a

skilfully prepared combination photograph.

"Where, then, can photography be considered as irrefutable evidence?

The realism may convince all, will convince all, except the expert and

the initiated after careful study. A shrewd judge will insist that in

every case the negative be submitted and examined for possible

alterations by a clever manipulator."

Kennedy bent his gaze on McLoughlin. "Now, I do not accuse you, sir, of

anything. But a photograph has come into the possession of Mr. Travis

in which he is represented as standing on the steps of your house with

yourself and Mr. Cadwalader Brown. He and Mr. Brown are in poses that

show the utmost friendliness. I do not hesitate to say that that was

originally a photograph of yourself, Mr. Brown, and your own candidate.

It is a pretty raw deal, a fake in which Travis has been substituted by

very excellent photographic forgery."

McLoughlin motioned to Hanford to reply. "A fake?" repeated the latter

contemptuously. "How about the affidavits? There's no negative. You've

got to prove that the original print stolen from Travis, we'll say, is

a fake. You can't do it."

"September 19th was the date alleged, I believe?" asked Kennedy

quietly, laying down the bundle of metric photographs and the alleged

photographs of Travis. He was pointing to a shadow of a gable on the

house as it showed in the metric photographs and the others.

"You see that shadow of the gable? Perhaps you never heard of it,

Hanford, but it is possible to tell the exact time at which a

photograph was taken from a study of the shadows. It is possible in

principle and practice and can be trusted. Almost any scientist may be

called on to bear testimony in court nowadays, but you would say the

astronomer is one of the least likely. Well, the shadow in this picture

will prove an alibi for some one.

"Notice. It is seen very prominently to the right, and its exact

location on the house is an easy matter. You could almost use the

metric photograph for that. The identification of the gable casting the

shadow is easy. To be exact it is 19.62 feet high. The shadow is 14.23

feet down, 13.10 feet east, and 3.43 feet north. You see I am exact. I

have to be. In one minute it moved 0.080 feet upward, 0.053 feet to the

right and 0.096 feet in its apparent path. It passes the width of a

weatherboard, 0.37 foot, in four minutes and thirty-seven seconds."

Kennedy was talking rapidly of data which he had derived from his

metric photograph, from plumb line, level, compass, and tape,

astronomical triangle, vertices, zenith, pole and sun, declination,

azimuth, solar time, parallactic angles, refraction, and a dozen

bewildering terms.

"In spherical trigonometry," he concluded, "to solve the problem three

elements must be known. I knew four. Therefore I could take each of the

known, treat it as unknown, and have four ways to check my result. I

find that the time might have been either three o'clock, twenty-one

minutes and twelve seconds, in the afternoon, or 3:21:31, or 3:21:29,

or 3:21:33. The average is 3:21:26, and there can therefore be no

appreciable error except for a few seconds. For that date must have

been one of two days, either May 22 or July 22. Between these two dates

we must decide on evidence other than the shadow. It must have been in

May, as the immature condition of the foliage shows. But even if it had

been in July, that is far from being September. The matter of the year

I have also settled. Weather conditions, I find, were favourable on all

these dates except that in September. I can really answer, with an

assurance and accuracy superior to that of the photographer

himself--even if he were honest--as to the real date. The real picture,

aside from being doctored, was actually taken last May. Science is not

fallible, but exact in this matter."

Kennedy had scored a palpable hit. McLoughlin and Hanford were

speechless. Still Craig hurried on.

"But, you may ask, how about the automobile picture? That also is an

unblushing fake. Of course I must prove that. In the first place, you

know that the general public has come to recognise the distortion of a

photograph as denoting speed. A picture of a car in a race that doesn't

lean is rejected--people demand to see speed, speed, more speed even in

pictures. Distortion does indeed show speed, but that, too, can be

faked.

"Hanford knows that the image is projected upside down by the lens on

the plate, and that the bottom of the picture is taken before the top.

The camera mechanism admits light, which makes the picture, in the

manner of a roller blind curtain. The slit travels from the top to the

bottom and the image on the plate being projected upside down, the

bottom of the object appears on the top of the plate. For instance, the

wheels are taken before the head of the driver. If the car is moving

quickly the image moves on the plate and each successive part is taken

a little in advance of the last. The whole leans forward. By widening

the slit and slowing the speed of the shutter, there is more distortion.

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