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Case under examination

Revolver, fired cartridge case and bullet recovered from the body

BLn 214/25 · RFSL Nagpur · Ballistics

Murder investigation from Pratap Nagar area. A revolver was recovered from the accused and a deformed bullet was handed over by the medical officer after post-mortem. Linkage between weapon, cartridge case and bullet is required, along with an opinion on firing distance from the residue pattern.

Retrieved parallels

1. N(T) 1287/20CNR MHNG19-370875-2020

   Strong relevance

   Conclusive linkage

   relevance score 108

   Firearm and bullet linkage, .32" revolver

   RFSL Nagpur · 2020 · Ballistics · methods: Comparison microscopy, Test firing, Walker's test / modified Griess test for nitrite

   • division
     Same division of examination (Ballistics).
   • terminology
     Shared case terminology: revolver, cartridge, bullet, murder, firing.
   • exhibit
     Comparable exhibit types: calibre, revolver, fired, cartridge, indentation.
   • method
     Methodology already applied here: Comparison microscopy, Test firing, Walker's test / modified Griess test for nitrite.
   Open record Pin
2. RFSL/NSK/BAL/2011/0104CNR MHNS03-989359-2011

   Strong relevance

   Conclusive linkage

   relevance score 108

   Country made pistol examination with test firing (Pratap Nagar, Crime No. 115/11)

   RFSL Nashik · 2011 · Ballistics · methods: Walker's test / modified Griess test for nitrite, Comparison microscopy, Test firing

   • division
     Same division of examination (Ballistics).
   • terminology
     Shared case terminology: cartridge, firing, test.
   • exhibit
     Comparable exhibit types: calibre, fired, cartridge, indentation, percussion.
   • method
     Methodology already applied here: Walker's test / modified Griess test for nitrite, Comparison microscopy, Test firing.
   Open record Pin
3. RFSL/PNE/BAL/2015/0103CNR MHPU23-382422-2015

   Strong relevance

   Exclusion recorded

   relevance score 108

   Comparison of two fired cartridge cases in a linked crime series (MIDC Waluj, Crime No. 627/15)

   RFSL Pune · 2015 · Ballistics · methods: Comparison microscopy, Examination for metallic lead and powder residue, Walker's test / modified Griess test for nitrite

   • division
     Same division of examination (Ballistics).
   • terminology
     Shared case terminology: cartridge, bullet, firing, test.
   • exhibit
     Comparable exhibit types: calibre, revolver, working, condition, fired.
   • method
     Methodology already applied here: Comparison microscopy, Walker's test / modified Griess test for nitrite, Test firing.
   Open record Pin
4. RFSL/AUR/BAL/2017/0104CNR MHAU03-179032-2017

   Strong relevance

   Partial result

   relevance score 108

   Firearm and fired cartridge case linkage (Kurla, Crime No. 90/17)

   RFSL Aurangabad · 2017 · Ballistics · methods: SEM-EDX for lead, barium and antimony particles, Walker's test / modified Griess test for nitrite, Test firing

   • division
     Same division of examination (Ballistics).
   • terminology
     Shared case terminology: cartridge, bullet, firing, residue.
   • exhibit
     Comparable exhibit types: calibre, revolver, working, condition, fired.
   • method
     Methodology already applied here: Walker's test / modified Griess test for nitrite, Test firing, Comparison microscopy.
   Open record Pin

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Examiner notes