FORENSIC INVESTIGATION OF GUNS
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United States of America Patent
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Jun 15, 2017
app pub date -
Dec 9, 2016
filing date -
Dec 10, 2015
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Abstract
A method for determining the elapsed time after discharge of a firearm is disclosed. The method utilizes the change in induced magnetization of a firearm to obtain a value for initial magnetization after discharge of the firearm. This value can then be compared with a magnetic base calibration obtainable through further testing of the magnetization over a period of time. By comparison between the initial magnetization and the base calibration, the time of discharge of the firearm can be estimated. The invention also includes apparatus for use in measuring the magnetization of a firearm, and a kit for implementation of the disclosed method.
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