1 Insights from the Insights from the New Hampshire State Police New Hampshire State Police Forensic Laboratory Forensic Laboratory Timothy J. Pifer, M.S. Timothy J. Pifer, M.S. Laboratory Director Laboratory Director NHSP Forensic Laboratory NHSP Forensic Laboratory Fact or Fiction?? Forensic Laboratory Organization Forensic Laboratory Organization Colonel Robert Quinn Director - NHSP Criminalistics Group Toxicology Group Forensic Lab Director Timothy Pifer, M.S. Forensic Laboratory Organization Forensic Laboratory Organization Criminalistics Group Controlled Drugs Serology/DNA Firearms & Toolmarks Trace Digital Evidence & Photography Identification Quality Assurance/ Control Forensic Laboratory Organization Forensic Laboratory Organization Toxicology Group Blood Toxicology Urine Toxicology Breath Alcohol Quality Assurance/ Control
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Insights from the New Hampshire State Police Forensic ... Lab Overview... · Criminalistics Group Toxicology Group Forensic Lab Director Timothy Pifer, M.S. Forensic Laboratory Organization
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Insights from the Insights from the New Hampshire State Police New Hampshire State Police
Forensic LaboratoryForensic Laboratory
Timothy J. Pifer, M.S.Timothy J. Pifer, M.S.Laboratory DirectorLaboratory DirectorNHSP Forensic LaboratoryNHSP Forensic Laboratory
Deploy and Train Law Enforcement Repair Units in Field
Ninhydrin Processing
DNA DNA Deoxyribonucleic acidDeoxyribonucleic acid
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Body Fluid TestingBody Fluid TestingAlternate Light SourceAlternate Light Source
In the LabIn the LabSemen, Vaginal Fluid, Saliva, UrineSemen, Vaginal Fluid, Saliva, Urine
Perkin-Elmer 310 Genetic AnalyzerCODISCODIS
Combined DNA Index SystemCombined DNA Index System
♦♦National database consisting of DNA National database consisting of DNA profiles of convicted offendersprofiles of convicted offenders
♦♦State of N.H. database is linked to the State of N.H. database is linked to the National databaseNational database
♦♦Profiles from nonProfiles from non--suspect cases are suspect cases are entered into the database for comparisonentered into the database for comparison
Digital Evidence Unit Digital Evidence Unit Photography UnitPhotography Unit
MicrospectrophotometerScanning Electron Microscope with X-ray analyzer
Gas Chromatograph/Mass Spectrometer (GC/MS) Video Spectral Comparator
Physically Examine and Physically Examine and Chemically Analyze Paint Chemically Analyze Paint Evidence for Comparison Evidence for Comparison and Chemical IDand Chemical ID
Five-layer Paint Chip Viewed by SEM
Examine fibers, fabrics and fabric marks evidence for Examine fibers, fabrics and fabric marks evidence for Physical Comparison and Chemical IDPhysical Comparison and Chemical ID
Examine and analyze hair samples for Physical Examine and analyze hair samples for Physical Comparison and Chemical IDComparison and Chemical ID
Hairs and Fibers EvidenceHairs and Fibers Evidence
Examine lamps and Examine lamps and lamp filaments for lamp filaments for function and function and ““onon”” or or ““offoff”” condition at condition at impact/breakageimpact/breakage
Firearms/Ballistics
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Examination AreaExamination Area
Reference Library
Test FiringTest Firing
To ensure function and obtain known standards To ensure function and obtain known standards for comparison with evidencefor comparison with evidence
Restoration of Obliterated Restoration of Obliterated Serial NumbersSerial Numbers
ObliteratedObliteratedVIN VIN
RestoredRestoredVIN VIN
Restoration of Obliterated Restoration of Obliterated Serial NumbersSerial Numbers
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Where is Toolmark Where is Toolmark Evidence Found?Evidence Found?
Point of entry Point of entry Doors Doors WindowsWindows
Target areas Target areas SafesSafesLocked drawers Locked drawers Cut wires or fencingCut wires or fencingChains and padlocksChains and padlocksSlashed tiresSlashed tires
Cut out area of toolmarkCut out area of toolmarkClearly indicate cuts you madeClearly indicate cuts you made (e.g. (e.g. fencing, chain, wire)fencing, chain, wire)
Cast toolmarks on larger itemsCast toolmarks on larger itemsDoor frame, window sillDoor frame, window sillPhotograph the toolmark in its original Photograph the toolmark in its original locationlocation
Methodology
Study how toolmark was made
Make test mark with tool in same manner as questioned mark
View with Comparison Microscope
ACE-V
Individual Characteristics Individual Characteristics from Manufacturefrom Manufacture
Individual Characteristics Individual Characteristics from Wearfrom Wear
UseUse AbuseAbuse Types of Physical Types of Physical Matches include:Matches include:
Torn edge matchTorn edge matchCut edge matchCut edge matchFracture matchFracture matchPaint or glue removal Paint or glue removal patternpatternWear pattern patch Wear pattern patch from photographfrom photograph