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Drugfire
Drugfire (written ''DRUGFIRE'') is a multimedia database imaging system that automates the comparison of images of bullet cartridge cases, shell casings and bullets that was developed by MSI(Mnemonic System Inc.).〔Roach, Ronald. ( "Drugfire and IBIS help lawmen fight bad guys" ) May 19, 1997 ''Washington Business Journal''. Retrieved on February 5, 2008 -〕 It is a multimedia database imaging system that allows examiners from across the country to compare and link evidence obtained in the form of spent cartridges and other ammunition casings.〔Roach, Ronald. ( "Drugfire and IBIS help lawmen fight bad guys" ) May 19, 1997 ''Washington Business Journal''. Retrieved on February 5, 2008 -〕 When the Federal Bureau of Investigation came under pressure to respond to the wave of gun violence gripping American cities during the crack cocaine epidemic of the 1980s and early 1990s, the FBI sub-contracted MSI to come up with a faster way of comparing and linking evidence obtained in the form of spent cartridges and other ammunition casings from drug-related crimes across the country.〔http://www.fbi.gov/hq/lab/fsc/backissu/april2000/schehl2.htm Retrieved on February 5th 2008 - About the national database of ammunition casings〕
== Development ==
Before Drugfire was invented, firearm examiners had to rely on a technique devised in the 1920s to compare ammunition markings. This involved looking at a casing under a microscope and the examiner had to compare the two casings to see if there were similar markings on the bullet which would most likely mean that the bullets had been fired from the same gun.〔Roach, Ronald. ( "Drugfire and IBIS help lawmen fight bad guys" ) May 19, 1997 ''Washington Business Journal''. Retrieved on February 5, 2008 -〕
From the years of 1991 and 1992, MSI devolved Drugfire, a forensic imaging system that allows investigators to compare ammunition markings from a specific shooting to databases of seemingly unrelated shootings which allowed the FBI to solve numerous cases.〔http://www.saf.org/USAtoday102799.html Retrieved on February 5th 2008 - How Drugfire allowed numerous unrelated cases to be linked and solved 〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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