Even though personal appearances may change during adolescence and adulthood, fingerprints remain intact and unchanging throughout our lies. Even if injured and scarred, enough of the distinguishing marks are maintained for fingerprint classifiers to have astonishing success in making a positive identification.
Fingerprinting involves meticulous jobs in clinical research with detailed work. A clear print can be more easily evaluated and identified than one where not enough or too much ink has been used. Other factors, such as scarred fingertips or other flaws resulting in accidents or sickness may alter the original print in some way so it is necessary for the classifier to be familiar with basic patterns and sequences of fingerprints. Fingerprints retrieved from crime scenes may appear on personal affects such as watches, books, or wallets. In addition, weapons or tools, such as screwdrivers or drills, may bear fingerprints. Sometimes classifiers travel to a crime scene to inspect various sites for fingerprints, such as the entryways of a house or building and check windows and doors.
Part of their clinical research careers, fingerprint analyzers make a special comparison between the recent-recorded marks being taken in the scene of the crime and the data being stored in the archive based on the previous crimes that were committed. With the aid of the sophisticated computer system, the classifiers or analyzers can easily produce a more precise and accurate result of their investigative undertakings. To collect the print, a personís fingers and thumb are cleaned. The fingers are then rolled across a plate wet with printerís ink, making sure the entire surface of the finger is inked. Then the finger is placed over the fingerprint card in a rolling motion away from the personís body. The thumb print is placed in the ink and rolled across the print card toward the direction of the body. Each finger is recorded separately as well as in a single impression of all fingers at once.
Part of their clinical employment, fingerprint classifiers have a challenging profession that brings them in contact with a variety of circumstances. It involves work that requires dedication, patience, and the ability to perform in some very difficult conditions. Sometimes fingerprint classifiers work with corpses and weapons used in violent crimes. With their clinical research job fingerprint classifiers must have remarkable powers of observation and detail. They must be persistent and have the temperament to work under pressure. Fingerprint classifiers have skills of logic and have neat and precise work habits. Good eyesight and memory are also crucial. Fingerprint classifiers come in contact with catalogs of similar looking material. They must be patient and clear thinking and enjoy working independently. Some classifiers work with computers that can provide groups of fingerprints or prints having similar composition. A background in computers may be necessary. Fingerprint classifiers must be prepared for different experiences while working on a case. Some classifiers must take fingerprints off corpses or travel to unpleasant crime scenes. They sometimes work with criminals or have difficulty retrieving fingerprints from items such as doorknobs, guns, telephones, or tools. Students interested in the work of fingerprint classifiers should take political science courses and law enforcement courses. They may also decide to write to local police departments, branches of the FBI, and other government agencies requesting information on training and job preparation. Because many more fingerprinting bureaus rely on the assistance of computers for classification and record keeping, courses in data processing or computer graphics can provide skills in researching and electronic record-keeping. Fingerprint classifiers who work with the FBI involving jobs in clinical research often begin work as fingerprint clerks or assistants. Clerks are able to show their ability to become classifiers through hard work, attention to detail, and motivation and commitment. Clerks pursuing status as a fingerprint classifier take a battery of tests that includes a written spelling test, a physical examination, and an aptitude test.
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