3- Dimentional Forensics

3- Dimentional Forensics

Recreation

Witness Statments and Physical Evidence

Forensic Identification

Documentation/Note Taking

Forensic Identification Officer, First Officer on Scene, Forensic Specialists.

Locating (Search and Recognition)

Electromagnetic Radiation

ALS (Alternative Light Source

Crime Scene Analysis

Physical Evidence

Courts

CV, Reports (Fingerprint Chart or Analysis Report)

Reconstruction

Facial Aproximation

Photogrammery

Identification of Suspect or Victim

Primed Audience

Activly looking for a missing person

Casual Audience

Identfying a victim

Laser Scaner Method

Friction Ridge Identification

Location Methods

Cyanoacrylate Fuming

Rhodamine 6G, 532nm light (laser)

Substrate Concentration Left Behind/Fingerprint Compositioin

Galton Details

Ridge endings, Ridge Dots, Islands, Enclousures and Ridge Dots.

make an inconclusive result or to identify and exculde.

Deltas

Arches, Whirls, Loops

Naturally secreated substances, forign substances

Infared Photography

Collection Methods

GEL Filters

Casting Methods

Powder to Inrease Visibility

Fluroesent Powders

Light Held at Oblique Angle

Fingerprint Structure

Stratum Basale, Stratum Carenum, Stratum Spinosum, Stratum Lucidum and Stratum granulosum

Eccrine Glands, Sebaceous Glands

Blood, Saliva, Semen

Bloodstain Analysis

Blood Clotting, decompostion, Drying of Blood, Insects, Dilution.

Patterns

Passive

Saturation Patterns, Pool Patterns, Splash Patterns, Flow Patterns, Drip Stain Pattern

Splatters

Energy of Impact

Area of Origin and Angle of Impact

Direction of the Blood

String Method

Computer Based Models

Projected Patterns, Cast-off patterns, Expration Patterns, Impact Patterns, Gunshot Patterns.

Chemicals

Leucocrystal Violet, Amido Black, Hungarian Red, Acid Yellow

Voids

Transfer

Transfer Patter, Wipe Pattern, Swipe Pattern

Properties of Blood

Viscocity, Surface Tension, Non-Newtonian Fluid.

Fingerprint, Footprint, Toolmark

Fingerprint Exam

VMD (Vacuum Metal Deposition Chamber

Tapes

Sticky Side Powder, CA + Rh6G, Tape Glo

Filters

Barrier Filters, Narrowband pass filters

Powders

Powder Post CA, Nano Powders, Fluorescent Powders, Magnietic Powders, Granular Powders

Non-porous surfaces

Plastic, Metal and some tapes

porous surfaces

Paper, Leather, Tape

Locards Principle