Technical Consideration
The methods described are intended to record, either by printing with
ink or by photographing as legibly as possible, the ridge details of
the tips of the fingers of unknown dead for identification purposes.
The securing of the impressions enables the fingerprint examiner to
classify and search them through a file. This search, of course,
means merely to make a comparison of the deceased's prints with the
prints of kno
It is well to bear in mind the fact that the dermis or epidermis may
have undergone certain physical changes and that in order for the
fingerprint examiner to make a proper comparison he must know the
changes which can and do occur. Otherwise, he may fail to make an
identification (fig. 403).
[Illustration: 403. Epidermis or outer layer of skin commencing to
peel from dermis or second layer of skin, result of decomposition.]
Consider first the epidermis or outer layer of skin in cases of
maceration (the skin is water soaked). There may be considerable
swelling. The ridges become broader and are more distinct. An inked
impression in such an instance may show a pattern larger in area than
a print made from the same finger when the person was alive. Also, if
the skin is on the finger but is loose, inking and rolling could
distort the impression so that some of the ridge formations would seem
to be in a different alignment from corresponding details in a print
made during life. When decomposition commences, what are really solid
ridges may be broken, giving rise to the possibility that there appear
to be more characteristics than there actually are (figs. 404 and
405).
[Illustration: 404. Inked fingerprint made during life.]
[Illustration: 405. Inked impression of same finger of deceased
showing effect of decomposition.]
The existence of wrinkles may also cause the impression to acquire an
appearance of dissimilarity when compared with the original inked
print.
With respect to cases of desiccation, there will probably be
shrinkage, hence, the impressions made may appear smaller than in life
and the ridges will be finer. In cases in which the epidermis has been
lost and there remains only the dermis or second layer, there will
usually be shrinkage with the same results. Here also, wrinkles, if
present, may cause a difference in appearance from the normal print.
In addition to shrinkage and wrinkles in cases involving the second
layer of skin, there is a radical change in the appearance of the
ridges themselves. The second or dermal layer of skin is composed of
what are called dermal papillae which have the appearance of minute
blunt pegs or nipples. The dermal papillae are arranged in double rows
(fig. 406). Each double row lies deep in a ridge of the surface or
epidermal layer and presents the same variations of ridge
characteristics as are on the outer layer of skin except that they are
double. Accordingly, when the second layer of skin is printed or
photographed, the ridge detail will appear in double. That is, the
ridges will appear as though they were split. This may well confuse
the fingerprint examiner in that what may be a loop having 10 ridge
counts may appear to be a loop having 20 ridge counts when the
impression is made from the second or dermal layer of skin. These
double rows of ridges are finer and not as sharp as the detail on the
outer skin, which adds to the difficulty of arriving at a correct
classification and making a proper comparison.
More
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Classification Of Scarred Patterns
Emphasis should be placed upon the necessity for fully referencing all scarred patterns. In connection with their proper classification, the following rules should be observed: - When an impression is so scarred that neither the general ... Death Notices
When persons whose fingerprints are on file are reported as deceased, the prints should be taken from the active file and assembled with any other prints of the person concerned. These should be plainly marked Dead and filed in a separate cabinet or... Deceased Infants
The foregoing has dealt with the securing of fingerprints of unknown deceased persons for identification purposes. The basis for such action is the presumptive possibility that the unknowns had been fingerprinted previously and through this medium m... Deformities
If a subject has more than 10 fingers, as occasionally happens, the thumbs and the next 4 fingers to them should be printed, and any fingers left over should be printed on the other side of the card with a notation made to the effect that they are e... Desiccation And Charring
The problem confronting the fingerprint examiner in treating fingers which are desiccated or dried and shriveled is that of distending and softening the skin. Desiccated fingers are generally found to have the outer layer of skin intact and the ridg... Dispositions
It is important to the bureau to have complete information concerning the ultimate disposition on each arrest fingerprint card. If the disposition of a charge is known at the time the person is fingerprinted, this fact should be indicated in the spa... Double Loop
Within the whorl group, the subclassification type double loop is used for extension purposes only. In general classification it is designated by the letter W. The double loop consists of two separate loop formations, with two separate and distin... Drying The Fingers
In many instances it will be found that the outer skin is gone and the fingers themselves are saturated with water. A quick method of drying out the fingers is to place them in full strength acetone for approximately 30 minutes. The fingers are then... Essentials Of A Loop
- A sufficient recurve. - A delta. - A ridge count across a looping ridge. A sufficient recurve may be defined as that part of a recurving ridge between the shoulders of a loop. It must be free of any appendages abutting upon ... Establishment Of A Local Fingerprint Identification Bureau
For the information and assistance of officials who desire to establish a local fingerprint identification bureau, the following suggestions are being made to indicate the principal materials necessary to equip such a bureau: ... Extensions
THE SECOND SUBSECONDARY CLASSIFICATION: When a group of fingerprints becomes so large that it is cumbersome and unwieldy, even though fully extended, it can be subdivided further by using a second subsecondary division, which is brought up into the ... Fbi Aid
The above techniques and procedures have been dealt with upon the basis that the law enforcement officers would, when a corpse has been found, attempt to secure a set of finger impressions in an effort to identify the unknown dead. If, however, the ... Filing Sequence
The sequence must be arranged properly at all times to make possible the most accurate work. Prints are sequenced and filed in this order, according to: I. Primary: 1 32. - to -- 1 32 In the primary classification the denominator rem... Fingerprint Files
It is suggested that the fingerprint card be white, light cardboard, 8 by 8 inches, slightly glazed. This size is convenient, as it allows all the space necessary for recording the classification of the prints and general descriptive information con... Fingerprinting Equipment
For the purpose of taking fingerprints there should be a stand with a clamp for holding the fingerprint cards steady. This latter item is necessary to prevent smudging the prints. A tube of printer's ink is used. The ink is applied by a roller to a ... General
These problems have dealt with the mechanical or operational processes. However, there are other problems dealing with the completing of the descriptive information. The fingerprint card may be returned because of the lack of information in the spac... General Photography
In the foregoing instances in which it has been impossible to obtain suitable inked impressions it will be noted that the last resort has always been photography. In all probability in advanced cases of decomposition, desiccation, and maceration it ... How To Take Inked Fingerprints
The equipment required for taking fingerprints consists of an inking plate, a cardholder, printer's ink (heavy black paste), and a roller. This equipment is simple and inexpensive. In order to obtain clear, distinct fingerprints, it is necessary... Illegible Inked Prints
A brief review of the problems of classifying and filing a fingerprint card in the FBI will help to clarify the FBI's policy concerning the processing of bad inked fingerprints. The criminal fingerprint file contains the fingerprints of millions o... Interpretation
Before pattern definition can be understood, it is necessary to understand the meaning of a few technical terms used in fingerprint work. The pattern area is the only part of the finger impression with which we are concerned in regard to interpre... Jacket Folder File
When an identification bureau receives prints of individuals on whom it already has prints, it is not practical to keep more than one set of prints per person in what may be called the active fingerprint file. In these instances the better print sho... Latent Fingerprints
To adequately develop the latent prints at crime scenes, it is necessary that the proper equipment be provided. This equipment includes latent fingerprint powders, brushes, lifting tape, fingerprint camera, searchlight, and scissors. All of this equ... Latent Impressions
Each ridge of the fingers, palms, and soles bears a row of sweat pores which in the average person constantly exude perspiration. Also, the ridges of the fingers and palms are in intermittent contact with other parts of the body, such as the hair ... Mechanical Operation
In order to take good fingerprints, the necessary equipment should be maintained in a neat and orderly manner at all times. Poor impressions are usually caused by one of the following faults: 1. The use of poor, thin, or colored ink, resulting i... Name Files
There will be times when it may be necessary to locate an individual's fingerprints when no current fingerprints are available, but the name with a police number or the classification is known. In order to facilitate work of this nature, as well as ... Permanent Disabilities
Another phase involves permanent disabilities which can in most cases be controlled by the identification officer. These can be lack of fingers (born without), amputations, crippled fingers (bent, broken), deformities (webbed, extra fingers), and ol... Photographs
Arrangements should be made to procure a camera for taking photographs of the persons fingerprinted. This is known as a mugging camera and various types are on the market. It is believed that the photographs should include a front and side view of t... Powdering And Lifting Latent Impressions
The sole purpose in developing a latent impression is to make it visible so that it may be preserved and compared. Various powders and chemicals are used for this purpose. When a latent print is plainly visible, it should be photographed before ... Preparation Of Fingerprint Charts For Court Testimony
In testifying to fingerprint identification, the expert often prepares charts to visually aid the court and jury in understanding the nature of his testimony. Many times it is undoubtedly difficult for the layman to perceive, from a vocal explanat... Problems And Practices In Fingerprinting The Dead
Each year new graves are opened in potter's fields all over the United States. Into many of them are placed the unknown dead--those who have lived anonymously or who, through accident or otherwise, lose their lives under such circumstances that id... Questionable Patterns
No matter how definite fingerprint rules and pattern definitions are made, there will always be patterns concerning which there is doubt as to the classification they should be given. The primary reason for this is the fact that probably no two fi... Radial And Ulnar Loops
The terms radial and ulnar are derived from the radius and ulna bones of the forearm. Loops which flow in the direction of the ulna bone (toward the little finger) are called ulnar loops and those which flow in the direction of the radius bone are c... Record Of Additional Arrest
It is not necessary for a bureau to send a regular fingerprint card to the Identification Division of the Federal Bureau of Investigation on individuals who have been arrested repeatedly and whose previous records are known to the local law enforcem... Referencing
Too much stress cannot be placed upon the necessity of referencing questionable patterns, whether it be in the interpretation of the type of pattern, the ridge count, or the tracing. The factors which make it necessary are: variation in individual... Ridge Counting
The number of ridges intervening between the delta and the core is known as the ridge count. The technical employees of the Federal Bureau of Investigation count each ridge which crosses or touches an imaginary line drawn from the delta to the core.... Searching
When searching a print through the fingerprint files in order to establish an identification, it should be remembered that the fingerprint cards are filed in such a way that all those prints having the same classification are together. Thus, the pri... Technical Consideration
The methods described are intended to record, either by printing with ink or by photographing as legibly as possible, the ridge details of the tips of the fingers of unknown dead for identification purposes. The securing of the impressions enables t... Temporary Disabilities
There are temporary disabilities affecting an individual's hand which are sometimes beyond the control of the identification officer. These can be fresh cuts, or wounds, bandaged fingers or finger, occupational (carpenters, bricklayers, etc.) bliste... The Classification Formula
At this point it is necessary to mention that when prints are classified, markings are indicated at the bottom of each finger block to reflect the type. The following symbols are used: - Under the index fingers the appropriate capital letters... The Identification Division Of The Fbi
The FBI Identification Division was established in 1924 when the records of the National Bureau of Criminal Investigation and the Leavenworth Penitentiary Bureau were consolidated in Washington, D.C. The original collection of only 810,000 fingerp... The Loop
In fingerprints, as well as in the usual application of the word loop, there cannot be a loop unless there is a recurve or turning back on itself of one or more of the ridges. Other conditions have to be considered, however. A pattern must possess s... The Plain Arch
In plain arches the ridges enter on one side of the impression and flow or tend to flow out the other with a rise or wave in the center. The plain arch is the most simple of all fingerprint patterns, and it is easily distinguished. Figures 107 to 11... The Plain Whorl
The plain whorl consists of the simplest form of whorl construction and is the most common of the whorl subdivisions. It is designated by the symbol W for both general classification and extension purposes. The plain whorl has two deltas and at le... The Tented Arch
In the tented arch, most of the ridges enter upon one side of the impression and flow or tend to flow out upon the other side, as in the plain arch type; however, the ridge or ridges at the center do not. There are three types of tented arches: ... The Use Of The Fingerprint Camera
If a fingerprint is visible, an effort should be made to photograph it before any attempt is made to develop it. In every case a print developed with powder should be photographed before lifting. It sometimes happens that the print does not lift p... The Whorl
The patterns to which numerical values are assigned in deriving the primary in the extension of the Henry System of fingerprint classification used by the Federal Bureau of Investigation are the whorl-type patterns, which occur in about 30 percent o... Types Of Patterns
Fingerprints may be resolved into three large general groups of patterns, each group bearing the same general characteristics or family resemblance. The patterns may be further divided into sub-groups by means of the smaller differences existing bet... Unidentified Latent Fingerprint File
From time to time the FBI is requested to conduct surveys and participate in conferences and in police schools on the problem of fingerprint identification. As a result of its observations in the course of these activities it has been found tha... Wanted Notices
All wanted notices containing fingerprints, including the wanted notices inserted in the FBI Law Enforcement Bulletin, should be filed in the fingerprint file by classification formula, and the names appearing on these wanted notices should be index... Water-soaked Fingers
The third and final type of case which may confront the identification officer concerns the problem of maceration, that is, long immersion of the fingers in water. One of the cardinal rules for securing legible impressions is that the fingers mus... Whorl Tracing
The technique of whorl tracing depends upon the establishment of the focal points--the deltas. Every whorl has two or more. When the deltas have been located, the ridge emanating from the lower side or point of the extreme left delta is traced until... X-ray Photography
The use of X-ray photographs (radiography) has been advocated by some for purposes of recording the ridge details in decomposed, desiccated, or macerated cases. Briefly, the procedure involves the covering of the fingers with heavy salts such as bis... 18th Century Reading and Writing
Historians soon learn not to assume that people in the past thought about and experienced life in the same ways that we do today. Something as basic to us as writing was quite different in 18th Century British-America. British-Americans in that century sp... A FAMOUS FORGERY
Very few cases have arisen in this country in which the genuineness of handwriting was the chief contention, and in which such momentous interests were at stake, as in the case of the forged "Morey-Garfield Letter." It was such as to arouse and a... A WARNING TO BANKS AND BUSINESS HOUSES
The following chapter is written by Mr. William C. Shaw, of Chicago, the well-known handwriting expert and expert on forgery, whose services are called in all important forgery and disputed handwriting cases in the country. It is replete with fac... CHARACTER AND TEMPERAMENT INDICATED BY HANDWRITING
A person's handwriting is really a part of himself. It is an expression of his personality and his character and is as characteristic of his general make-up as his gait or his tone of voice. There is always a direct and apparent connection... CHARACTERISTIC WRITING OF A FEW OF THE WORLD'S BEST-KNOWN LITERARY MEN AND AUTHORS
<img src="/images/036.jpg" alt="CHARACTERISTIC WRITING OF A FEW OF THE WORLD'S BEST-KNOWN LITERARY MEN AND AUTHORS." width="536" height="949"> ... CHARACTERISTIC WRITING OF SOME OF THE BEST KNOWN MEN IN THE BANKING WORLD OF THE UNITED STATES
<img src="/images/025.jpg" alt="Signatures of best known men in the banking world of the United States." width="528" height="629"> <img src="/images/026.jpg" alt="More signatures of best known men in the banking world of the United States." width="5... CURIOUS AND FREAKISH SIGNATURES OF WELL-KNOWN BANKERS AND BUSINESS MEN
<img src="/images/029.jpg" alt="Curious and freakish signatures of well-known bankers." width="539" height="894"> <img src="/images/030.jpg" alt="Curious and freakish signatures of well-known bankers." width="534" height="1476"> <img src="/images... DETECTING FORGERY WITH THE MICROSCOPE
In all examinations of questioned signatures to determine the individual habit of the writer the use of the compound microscope is a necessity to obtain the best field for study and analysis for the reason that the most important details are ofte... DETECTING FRAUD AND FORGERY IN PAPERS AND DOCUMENTS
The art of detecting forgery or fraud, in checks, drafts, documents, seals, writing materials, or in the characters themselves is a study that has attracted handwriting experts since its study was taken up. There are almost infallible rules for t... ERASURES, ALTERATIONS AND ADDITIONS
Erasure or erazuer, as it is more commonly called in England, from the Latin word "scrape or shave" is the scraping or shaving of a deed, note, signature, amount or of any formal writing. In England, except in the case of a will, the presumption,... FORGERY AS A PROFESSION
largest detective agencies in the United States. They make a specialty of bank work and from the number of forgers apprehended and convicted know just how the work is done. A careful reading of this chapter will put bankers and the public on thei... FORGERY BY TRACING
Forgery by tracing is one of the most common and most dangerous methods of forgery. There are two general methods of perpetrating forgeries, one by the aid of tracing, the other by free-hand writing. These methods differ widely in details,... FOUR ORDINARY SIGNATURES WITH DESCRIPTIONS
<img src="/images/004.jpg" alt="A mechanical or artificial hand in copy-book style, lightly and delicately traced." width="309" height="88"> A mechanical or artificial hand in copy-book style, lightly and delicately traced. <img src="/images/00... GREATEST DANGER TO BANKS
Raising checks has become the greatest danger to the banks. There is no comparison between raising checks with a genuine signature and forging the signature itself, so far as ease of execution is concerned. After many years of arduous work and af... GREELEY'S LAST LETTER
<img src="/images/022.jpg" alt="This was the last letter ever written by Horace Greeley, America's famous editor and horrible penman." width="382" height="509"> This was the last letter ever written by Horace Greeley, America's famous editor and hor... GUIDED HANDWRITING AND METHOD USED
Guided handwriting is one of the most frequent means of forgery and oftentimes the most difficult to detect. It has been established that with care the elements of each handwriting can be detected and proven in a guided signature. The leading han... HANDWRITING EXPERTS AS WITNESSES
While the qualification necessary for the permission of a witness to testify in court as an expert is largely discretionary with the judge, such discretion is usually exercised with so great liberality that it is not often that a witness offered ... HOW FORGERS REPRODUCE SIGNATURES
In detailing matters which experience suggests as importantly connected with the examination of disputed signatures, there are none more essential to a proper consideration of the subject than an understanding of those characteristics often appea... HOW SOME CELEBRATED WOMEN WRITE
<img src="/images/033.jpg" alt="HOW SOME CELEBRATED WOMEN WRITE." width="563" height="555"> ... HOW TO DETECT FORGED HANDWRITING
Few persons outside of the banking and legal fraternity are aware of the frequency with which litigations arise from one or another of the many phases of disputed handwriting; doubtless most frequently from that of signatures to the various forms...