The Science Behind Firearm and Tool Mark Examination
网页2014年12月1日 · Learn how forensic scientists match fired bullets to firearms using microscopic markings on casings and bullets. See the results of a study on the accuracy and reliability of firearm and tool mark examinations using Glock barrels.
Forensic firearm examination - Wikipedia
网页Forensic firearm examination is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene. Specialists in this field try to link bullets to weapons and weapons to individuals.
Law Enforcement Use of the National Integrated Ballistic …
网页2013年12月8日 · NIBIN is a national system that compares digital images of spent bullets and cartridge cases from crime scenes or confiscated weapons. It can help law enforcement link crimes, identify suspects, and understand gun crime patterns.
Cartridge case terminology and identification – Stephen Taylor, …
网页2017年10月28日 · Learn how to identify cartridge cases from WW2 ordnance by their shape, size, rim, headstamp and firing pin mark. See examples of 20mm, 50 cal, 30 cal and 303 cartridges from different manufacturers and countries.
Who Loaded the Gun? Recovering DNA from Bullet Casings
网页2016年8月31日 · Foran is one of several scientists working with a National Institute of Justice research award to improve the recovery of DNA from spent cartridge casings, which are among the most common types of evidence collected in the wake of shootings.
New Ballistics Control Chart for Forensic Imaging | NIST
网页2015年10月28日 · NIST helps forensics labs improve the quality and consistency of microscope images of spent cartridge cases for the National Integrated Ballistics Information Network (NIBIN) database. The new tool, an interactive control chart, provides feedback and uncertainty levels for the images based on the BRASSTRAX™ system.
Catching Killers by Matching Tiny Marks on Bullets
网页2018年11月16日 · But a week after the fourth robbery, a 9 millimeter Glock handgun discovered during an unrelated traffic stop was matched to the spent bullets through a federal ballistics database, leading...
Shelling Out Evidence: NIST Ballistic Standard Helps Tie Guns to ...
网页2012年8月8日 · The web page explains how NIST developed a standard cartridge case and a standard bullet to help forensic labs match shells found at crime scenes with images in a national database. The standard cartridge case has three signatures impressed by the gun that fired it, and the standard bullet has striations unique to the gun.
Spent bullets and their injuries: the result of firing weapons
网页People often celebrate holidays by firing guns into the air without realizing that this can cause serious injury or death. The present study identified 118 patients treated since 1985 who were hit with spent bullets. Most (77%) were hit in the head.
How can a bullet be traced to a particular gun?
网页2005年3月21日 · To figure out if a bullet could have originated from a specific firearm, however, a forensic firearm and toolmark examiner uses an instrument called a comparison microscope to compare a...