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Forensic Identification, Rukaiya Rasheed, Can be seen with, Helps…
Forensic Identification
Fingerprints
Gel Lifter Scanner (GL Scanner
Footwear Impression
2D impressions
examples
Glove Prints
Tool Marks
Tire Tracks
Locations of impression
Route to scene
Point of Entry
Point of attemped entry
Disturbed areas
Point of exit
Substrates
Matrix
Sweat
Blood
Yellow Light (450 nm)
IR Photography
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Acid Yellow Chemical
Hungarian Red
Types
Porous
Examples
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Examining
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Non-Porous
Cyanoacrylate glue fuming
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Examples
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Vacuum Metal Deposition Chamber
Semi-Porous
Marking & Locating
Darken the room as much possible
Hold the flashlight
hold it Low
Oblique angle
mark both ends of the impression
Photography
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3D impressions
Examples
Slush
Mud
Dirt
Sand
Snow
Photography
Elevated oblique lighting
40-45 degree
Snowprint wax
Contrasting primer paint
Casting
More information than photography
Help in forming opinions from examiner
replicating footwear
Admitted as exhibits in court
definition
Impressions or marks is a replication or transference of the patterned skin.
4 Premises
developed in the fetus
Persistent through out life
Details and patterns are never repeated
Allow classifications
Anatomy
Volar skin
Henry Study
Orientation
Pattern types
Arch pattern
Loop Pattern
Whorl Pattern
Focal Points
Core
Deltas
Scars
Creases
Galton Study
Minutiae
Ending Ridge
Bifurcation
Dots
Islands
Ashbaugh Study
Size & Shape
Pores
Ridges
Edges Shapes
Widths
Composition
Eccrine Glands
Sebaceous Glands
Identification Process
ACE-V
Analysis Comparison Evaluation Verification
Blood Stains
Shape, size, distribution, and location of bloodstain patterns
Methods
Timelapse Analysis
Digital Stereo Microscopic Analysis
Primary Classification
Passive
Formed due to the force of Gravity
Drip stain
Drip Pattern
Splash Pattern
Pool Pattern
Flow Pattern
Saturation Pattern
Transfer
Contact between blood-bearing surface and another surface.
Transfer Pattern
Swipe Pattern
Wipe Pattern
Spatter
Dispersed through air due to external force
Projected Pattern
Cast-off Pattern
Expiration Pattern
Impact Pattern
Spatter of a gunshot
Classification Exceptions
Dilusion
Insect Activity
Drying
Decomposition
Clotting
Voids
Area of Origin Calculation
String Method
Hemospat Software
Backtracker Suite
Blood Impression Evidence
Footwear Impressions
Friction Ridge Impression
Tool Mark Impression
AI2-3D
Reconstruction
Physical evidence to prove something in court
Process
Documentation
Collecting evidence at a crime scene
Analysis
How the collected data combined to extract new information
Reporting/Visualization
Presenting the results in a way of analysis
Recreation
Physical evidence to help prove theories
Photogrammetry
Photo=Light
Gram= Draw
Metron = Measure
Laser Scanner
Time of Flight Method
Phase Shift Method
Analysis
Patterned Evidence
Shooting Reconstuction
Trajectory Analysis
Bloodstain Pattern Analysis
Suspect Height Analysis
Visualization
2D plan drawing
3D Renders
Virtual Tours
Interactive 3D Models
3D Printing
Virtual Reality
Facial Reconstructions Approximation
Reconstructing a person's face from remains to identify them.
Purpose
Positive ID establishes through
DNA comparision
Radiological comparision
Odontological comparision
Fingerprint comparision
Relationship complex
combination in composition
Thick tissues
Soft tissues
Methods
Combination Method / Manchester Method
American Method
Digital Method
Medical Imaging tools
Restrictions
Hair Color
Eye Color
Blemishes
Skin Color
Who is targets
Casual Audience
Primed Audience
Rukaiya Rasheed
Student #: 1007192253
Can be seen with
Helps visualize bloodstains on dark surfaces