An overview on Forensic examination PRIYANKAR GHOSH CENTRAL




















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An overview on Forensic examination PRIYANKAR GHOSH CENTRAL FORENSIC SCIENCE LABORATORY MHA, GOVT. OF INDIA, KOLKATA
Policy & objective • To assist the Criminal Justice System • To apply the scientific innovations in the examinations • To retrieve the information available in the samples • To assist the investigating agencies in unearthing the truth in the occurrence of a crime • To build database for better interpretation of result
Quality Requirements Post graduates in different streams of basic sciences. Post graduates in Forensic Sciences. Graduates Engineers. Clinical Psychologists ------------------------------* Good Laboratory Practices (GLP)/accreditation • Continuous training of Scientists • Availability of Contemporary Instruments • Optimum number of analysts • Adequate financial resources
Stake holders in Forensic Examination Central Forensic Science Laboratories(CFSL) under Central Bureau of Investigation(CBI), MHA, GOI. CFSLs under Directorate of Forensic Science Services (DFSS), MHA, GOI. State and UT Forensic Science Laboratories. Special Forensic facilities under State Police/Banks etc. Central Finger Print Bureau(CFPB) under National Crime Record Bureau(NCRB). O/o Serologist to Govt. of India Chemical Examiners Laboratories under Central & State Governments. Wildlife Institute, Dehradun Other Forensic Examination entities
Contd. Loknayak Jayprakash Narayan National Institute of Criminology & Forensic Science (LNJN-NICFS), New Delhi, MHA, GOI. Sardar Vallavbhai Patel National Police Academy(SVP-NPA), Hyderabad, MHA, GOI. Bureau of Police Research & Development(BPR&D), New Delhi, MHA, GOI. State Sponsored Universities under PPP model. Private Universities. Customised training programs in specialised institutes
Staff strength vs case disposal Average yearly staff strength during 2005 -09 at CFSL, Kolkata: 95 No. of cases disposed per year during the same period: 1000 (1: 11) Active staff strength during 2015 -16 at CFSL, Kol: 74 No. of cases disposed of during the same period: 2600(1: 35) Average yearly staff strength during 2005 -09 at CFSL, Chd: 97 No. of cases disposed per year during the same period: 1000(1: 10) Active staff strength during 2015 -16 at CFSL, Chd: 79 No. of cases disposed during the same period: 2800(1: 35) Average yearly staff strength during 2005 -09 at CFSL, Hyd: 104 No. of cases disposed per year during the same period: 1100(1: 10) Active staff strength during 2015 -16 at CFSL, Hyd: 76 No. of cases disposed of during the same period: 2400(1: 32)
Turnaround time CFSL, Kolkata: (Av. of 2005 -09): 03 - 90 days CFSL, Kolkata: (Av. of last 5 yrs): 30 - >360 days CFSL, Chandigarh: (Av. of 2005 -09): 02 - 60 days CFSL, Chandigarh: (Av. of last 5 yrs): 30 - >360 days CFSL, Hyderabad: (Av. of 2005 -09): 02 - 90 days CFSL, Hyderabad: (Av. Of last 5 yrs): 30 - >360 days
Areas of examination/materials IDENTIFICATION AND CHARACTERIZATION OF STAINS, HAIR, ORGANISM, BODY POLLENS, TISSUE, GROUPING MICROFOR INDIVIDUALISATION , IDENTIFICATION OF SPECIES, PLANTS, RECOGNITION ETC. INDIVIDUALS, FACIAL
CONTD. IDENTIFICATION OF FIREARMS; AMMUNITIONS; MANUFACTURING TOOLS, GUN SHOT RESIDUES; NEUTRON ACTIVATION ANALYSIS, IDENTIFICATION OF SHOOTER ETC.
Contd. IMPRESSIONS; PAINT, CONSTRUCTION MATERIALS; GLASS; CUT MARKS; SOIL; COUNTERFEIT CURRENCY; RESTORATION OF NUMBER; FIBRE STRENGTH, POLYGRAPHY ETC
CONTD. SAMPLES UNDER NDPS ACT, 1985; BRIBARY CASES; LIQUORS; PETROLEUM PRODUCTS; ARSON; CHEMICALS; OILS & FATS;
CONTD. HIGH & LOW ENERGY MATERIALS, CHEMICALS;
CONTD. INTERNAL BODY PARTS OF BOTH HUMAN & ANIMAL ORIGIN FOR PRESENCE OF POISON; ALCOHOL INTOXICATION/POISONING; ABUSE OF DRUGS ETC.
CONTD. SIGNATURE VERIFICATION, IDENTIFICATION OF INDIVIDUAL HANDWRITINGS, AGE OF A DOCUMENT IN LIMITED CASES ETC
NEW AREAS OF ACTIVITIES Nuclear materials Image processing Digital Forensics Speaker recognition Microbial Forensics DNA sequencing Forensic Intelligence Forensic auditing Brain Fingerprinting
Equipment being used in general Gas Chromatography & Mass Spectrometer(GCMS) High Performance Liquid Chromatography(HPLC) High Performance Thin Layer Chromatography (HPTLC) Fourier Transform Infrared Spectrophotometer (FTIR) UV-Visible Spectrophotometer Inductively Coupled Plasma-Mass Spectrometer(ICP-MS) X-Ray Diffractometer (XRD) DNA sequencer PCR machine Comparison microscope with image analysis Ion Chromatograph
Scanning Electron Microscope-EDXA IBIS Voice Spectrograph Facial Superimposition system LCMSMS FTIR-Raman TGA-DSC TLC-FID
Accreditation NABL 17025: 2005
Feature Assessment(%) Average Good V. Good Excellent Outstandng Response Time 24 01 - - - Scientific Competency 04 14 06 01 - Opening/Reporting quality 05 13 04 01 - Opening/Reporting speed 20 04 - - - Corroborative Utility 04 05 14 02 - Probative Utility 03 08 13 01 - Lead giving utility 06 11 07 - - Prophylactic utility 05 13 02 - - Innocence-Proving utility 09 09 06 01 - Expert testimony clarity 03 16 04 02 - Professional interaction 08 12 04 - - Ethical conduct 06 09 04 01 - Overall For. service delivery 07 08 04 01 -
Awareness Average: 05 Good: 10 V. Good: 06