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Archive for the ‘Forensic & Fingerprinting’ Category

Myths and Facts about Becoming a Forensic Scientist

Thursday, July 8th, 2010

Thanks to movies and the popular crime series out there, more and more people are having wrong notions about a forensic scientist. Indeed, even I am amazed on what they actually do in their field and the way they solve crimes at hand. Thus, more and more people are actually becoming interested in forensic science and want to become a forensic scientist themselves. But is that easy to become one? What should you know and not know about becoming a forensics analyst? This is the right time to debunk these myths and set the real score about forensic scientists.

Myth #1: A degree or an interest in the field is all you need to become a forensic scientist.

While it is true that some organization need only those with a degree, it is still not enough for you to be hired as a forensics analyst. What they actually want is experience in the field, which is actually difficult for starters. A forensic scientist requires extensive training about criminal investigations. Aside from that, qualities like good decision making skills, able to control emotions under stress, detailed and organized as well as good verbal expression are important for the job.

Myth #2: A forensics examiner spends most of his time in the crime scene.

Since a forensics examiner is also called a crime scene technician, many are confused that most of them are on the field. There are also two types of forensic scientists: Forensic analyst and crime scene technician. In fact, only a few forensic scientists are out on the field. A forensics analyst rarely visits a crime scene unless he or she is required. Most of them are found only inside the laboratories analysing the specimens taken in by investigators. On the other hand, a crime scene technician usually processes the crime scenes; however, they are mainly involved in the analyses in the laboratory.

Myth #3: Every forensics examiner should be capable of everything—ballistics, fingerprinting, DNA testing, etc.

On TV, a forensic scientist can go to and fro in the laboratory and crime scene and do all those scientific processes.  In real life, forensics scientists focus only on one or two tasks that are related to their degree and expertise. If they are well verse with genetics and molecular biology then they may handle DNA testing and such. Their job is really limited to a specific subject and does not do another but still can coordinate with other members of the team.

In reality, how they are being portrayed on TV is not the same as the job description of real life forensic scientists. Pursuing a career as a forensic scientist, one must learn that it is not an easy job. It entails a lot of skills, patience, hard work, knowledge and being critical at all times. It is quite and interesting field but it is also as complex as it is. To become a good forensics analyst or crime scene technician, a person must prepare himself well in terms of education, personality and attitude towards work, and most especially to value the word honesty and perfection at all time.

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This Article is written by Lena Butler, contributor of Test Country Articles.

How Does Fingerprinting Technology Work?

Thursday, July 8th, 2010

Today, fingerprinting technology is the most popular form of security system being used. This particular system can prevent signatures from being forged, as well as provide personalized access to a room or building. You can find scanners and similar technology in buildings, police stations and even on computers.

Fingerprinting technology is a reliable and convenient means of identifying or verifying a particular person. Fingerprinting products and systems differ slightly from one another. The main premise, however, is pretty much the same. Users may deem this form of technology as simple enough, but there is state-of-the-art technology involved. How does it work?

Understanding fingerprints

Each fingerprint is composed of ridges, furrows and other characteristics commonly referred to as minutiae. Minutiae can usually be found in certain parts of the fingerprint, near the center of the fingertip. Every person has a unique set of fingerprints. No two people, including twins, have the same set of fingerprints.

Scanning fingerprints

If you are using fingerprinting technology for the first time in a particular location or system, you are usually asked to place your fingertip on top of a scanner. This scanner will capture these ridges and patterns on your fingers through a gray-scale digital image. Oftentimes, you will then be asked to input details such as your name and other necessary details.

Components of fingerprinting technology

Most types of fingerprinting technology are made up of a sensor, a processor and software. The sensor simply scans a person’s fingerprints. The processor then proceeds to store this image into a database. The software matches the image to an entry in the system’s database. All fingerprints have their own PIN number or reference number, which corresponds to a person’s name or account in the database.

Verification or identification processes

Fingerprinting technology makes use of either a verification process or an identification process.

In the verification process of this particular system, users will have to identify who they are and have their fingerprints scanned. The system will compare a fingerprint with the details provided by a particular user. If the two match, then the user is verified.

If the system uses an identification process, then users will not need to identify themselves or state how they are. A user’s fingerprint will be scanned and compared to the fingerprints of the various registered users found in the database. Once a match has been made, a user is then identified as an existing user.

This Article is written by Lena Butler, contributor of Test Country Articles.



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Answers, comments, information, articles and opinions provided on all TestCountry related webpages are general information, and are not intended to substitute for informed professional medical, psychiatric, counseling, psychological, or other professional advice. You should not use the information on TestCountry for diagnosing or treating a health problem or disease, or prescribing any medication or other treatment. You should always speak with your physician or other healthcare professional before taking any medication or nutritional, herbal or homeopathic supplement, rehabilitation or detoxification from any substance abuse or adopting any treatment for a health or drug problem.

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