By Edward Hueske
Firearms facts exam and fingerprint comparability have had an extended and engaging background. The position of fingerprints in human id can really be traced again numerous thousand years. the advance of the technological know-how of fingerprint comparability and the medical exam of firearms, even if, started within the early nineteenth century. The aim of the upkeep of actual proof is to affiliate every bit of proof with its dependable resource, permitting forensic scientists to reply to questions concerning the who, what, whilst, the place, how, and why of a criminal offense. ''Firearms and Fingerprints'' strains those early beginnings and the icons that laid the foundation for the present technology.
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Extra resources for Firearms and Fingerprints
The expert must believe in the evidence results in order to be able to project this to the jury. This is analogous to one of the basic rules of commercial sales: You have to believe in your product, or no one will ever buy it. Fingerprint examiners typically bring charts to court to help present their findings to the jury. These charts show the basis for their conclusion as to the fingerprint identification. The charts are poster size and are set up on an easel in front of the jury. The examiner refers to the charts as the explanation of the identification is given.
Firearms and the Evidence They Provide A firearm is a weapon that is capable of firing a projectile and using an explosive charge as a propellant. The broadest category of firearms includes two types: handguns and long guns. indd 25 9/8/08 4:19:57 PM 26 firearms and fingerprints be fired while held in the hand, and long guns are designed to be fired from the shoulder. Handguns include revolvers and pistols, examples of which appear in the accompanying photographs. Pistols are either semiautomatic (auto-loading) or fully automatic (machine pistol).
Would-be examiners must pass a written examination that focuses on actual comparison of questioned prints to known prints. Many agencies require their examiners to become certified by IAI as part of the conditions for employment. To date, no courts have required certification in order for a fingerprint examiner to be allowed to testify, but that could change. Firearms certification, on the other hand, is a relatively new program that has been developed by AFTE. This is currently a strictly voluntary program, and no agencies or courts require it, although this also may change as the trend of requiring expert witnesses to have formal credentials continues to expand.
Firearms and Fingerprints by Edward Hueske