Taxonomy Distribution Report

Overview

• Total Concepts: 258
• Number of Taxonomies: 14
• Average Concepts per Taxonomy: 18.4

Distribution Summary

Category	TaxonomyID	Count	Percentage	Status
Trace Evidence	TRACE	28	10.9%	✅
Fingerprint Analysis	PRINTS	22	8.5%	✅
Digital Forensics	DIGIT	21	8.1%	✅
Crime Scene Investigation	CSI	20	7.8%	✅
Firearms, Ballistics & Toolmarks	ARMS	20	7.8%	✅
Chemical Analysis & Toxicology	CHEM	19	7.4%	✅
Forensic DNA Profiling	DNA	18	7.0%	✅
Forensic Entomology	ENTOM	17	6.6%	✅
Forensic Serology	SERO	16	6.2%	✅
Bloodstain Pattern Analysis	BPA	16	6.2%	✅
Forensic Anthropology	ANTHRO	16	6.2%	✅
Foundation Concepts	FOUND	15	5.8%	✅
Fire, Arson & Explosives	FIRE	15	5.8%	✅
Document Examination	DOCX	15	5.8%	✅

Visual Distribution

Trace Evidence            █████  28 ( 10.9%)
Fingerprint Analysis      ████  22 (  8.5%)
Digital Forensics         ████  21 (  8.1%)
Crime Scene Investigation ███  20 (  7.8%)
Firearms, Ballistics & To ███  20 (  7.8%)
Chemical Analysis & Toxic ███  19 (  7.4%)
Forensic DNA Profiling    ███  18 (  7.0%)
Forensic Entomology       ███  17 (  6.6%)
Forensic Serology         ███  16 (  6.2%)
Bloodstain Pattern Analys ███  16 (  6.2%)
Forensic Anthropology     ███  16 (  6.2%)
Foundation Concepts       ██  15 (  5.8%)
Fire, Arson & Explosives  ██  15 (  5.8%)
Document Examination      ██  15 (  5.8%)

Balance Analysis

✅ No Over-Represented Categories

All categories are under the 30% threshold. Good balance!

Category Details

Trace Evidence (TRACE)

Count: 28 concepts (10.9%)

Concepts:

• 1. Hair Anatomy
• 1. Hair Cuticle Structure
• 1. Hair Cortex Structure
• 1. Hair Medulla Structure
• 1. Medullary Index Calculation
• 1. Human vs Non-Human Hair
• 1. Hair Scale Patterns
• 1. Pigment Granules in Hair
• 1. Natural Fibers
• 1. Synthetic Fibers
• 1. Fiber Microscopy
• 1. Burn Testing of Fibers
• 1. Chemical Solubility Testing
• 1. Class Evidence Concept
• 1. Glass Composition
• ...and 13 more

Fingerprint Analysis (PRINTS)

Count: 22 concepts (8.5%)

Concepts:

• 1. Dactyloscopy
• 1. Friction Ridge Skin
• 1. Dermal Papillae
• 1. Fingerprint Pattern: Loops
• 1. Fingerprint Pattern: Whorls
• 1. Fingerprint Pattern: Arches
• 1. Ulnar vs Radial Loops
• 1. Whorl Subtypes
• 1. Tented Arch Pattern
• 1. Minutiae Points
• 1. Ridge Endings
• 1. Bifurcations
• 1. Patent Fingerprints
• 1. Plastic Fingerprints
• 1. Latent Fingerprints
• ...and 7 more

Digital Forensics (DIGIT)

Count: 21 concepts (8.1%)

Concepts:

• 1. Digital Forensics Overview
• 1. Volatile vs Non-Volatile Data
• 1. RAM Evidence Collection
• 1. Hard Drive Architecture
• 1. SSD Forensics
• 1. Write-Blocker Hardware
• 1. Forensic Imaging Process
• 1. Bit-Stream Copy
• 1. MD5 Hash Function
• 1. SHA-256 Hash Function
• 1. Hash Verification
• 1. EXIF Metadata Recovery
• 1. Digital Timestamp Analysis
• 1. Geolocation from Metadata
• 1. Network Forensics Basics
• ...and 6 more

Crime Scene Investigation (CSI)

Count: 20 concepts (7.8%)

Concepts:

• 1. Chain of Custody
• 1. Seven S's of Crime Scene
• 1. Crime Scene Perimeter Security
• 1. Primary vs Secondary Scenes
• 1. Crime Scene Documentation
• 1. Crime Scene Photography
• 1. Crime Scene Sketching
• 1. Scaled Sketch Techniques
• 1. Triangulation Measurement
• 1. Evidence Search Patterns
• 1. Grid Search Pattern
• 1. Spiral Search Pattern
• 1. Zone Search Pattern
• 1. Evidence Identification
• 1. Evidence Collection Protocols
• ...and 5 more

Firearms, Ballistics & Toolmarks (ARMS)

Count: 20 concepts (7.8%)

Concepts:

• 1. Internal Ballistics
• 1. Rifling in Firearms
• 1. Lands and Grooves
• 1. Breech Face Markings
• 1. Firing Pin Impressions
• 1. Ejector Marks
• 1. External Ballistics
• 1. Bullet Trajectory Calculation
• 1. Terminal Ballistics
• 1. Entrance vs Exit Wounds
• 1. Wound Morphology
• 1. Ricochet Analysis
• 1. Gunshot Residue (GSR)
• 1. Modified Griess Test
• 1. Toolmark Analysis
• ...and 5 more

Chemical Analysis & Toxicology (CHEM)

Count: 19 concepts (7.4%)

Concepts:

• 1. Pharmacokinetics (ADME)
• 1. Drug Absorption
• 1. Drug Distribution
• 1. Drug Metabolism
• 1. Drug Elimination
• 1. Controlled Substances Act
• 1. Drug Schedule Classifications
• 1. Marquis Reagent Test
• 1. Scott Reagent Test
• 1. Duquenois-Levine Test
• 1. Gas Chromatography (GC)
• 1. Mass Spectrometry (MS)
• 1. GC-MS Analysis
• 1. LC-MS/MS Analysis
• 1. Blood Alcohol Concentration
• ...and 4 more

Forensic DNA Profiling (DNA)

Count: 18 concepts (7.0%)

Concepts:

• 1. DNA Structure Review
• 1. Nuclear DNA
• 1. Mitochondrial DNA
• 1. Short Tandem Repeats (STRs)
• 1. CODIS Loci
• 1. Polymerase Chain Reaction
• 1. PCR Primer Design
• 1. DNA Denaturation
• 1. DNA Annealing
• 1. DNA Extension
• 1. Capillary Electrophoresis
• 1. Electropherogram Interpretation
• 1. DNA Alleles
• 1. Homozygous vs Heterozygous
• 1. Y-STR Analysis
• ...and 3 more

Forensic Entomology (ENTOM)

Count: 17 concepts (6.6%)

Concepts:

• 1. Stages of Decomposition
• 1. Fresh Stage of Decomposition
• 1. Bloat Stage of Decomposition
• 1. Active Decay Stage
• 1. Advanced Decay Stage
• 1. Dry Remains Stage
• 1. Blowfly Lifecycle
• 1. Calliphoridae Family
• 1. Insect Egg Stage
• 1. Larval Instar Stages
• 1. Blowfly Pupa Stage
• 1. Accumulated Degree Hours
• 1. Accumulated Degree Days
• 1. Minimum Post-Mortem Interval
• 1. Insect Succession Ecology
• ...and 2 more

Forensic Serology (SERO)

Count: 16 concepts (6.2%)

Concepts:

• 1. Blood Composition
• 1. Erythrocytes
• 1. Leukocytes
• 1. Platelets and Plasma
• 1. Presumptive Blood Tests
• 1. Kastle-Meyer Color Test
• 1. Luminol Test
• 1. Fluorescein Test
• 1. Confirmatory Blood Tests
• 1. ABO Blood Typing
• 1. Rh Factor
• 1. Agglutination Chemistry
• 1. Secretor Status
• 1. Semen Detection (PSA Test)
• 1. Salivary Amylase Test
• ...and 1 more

Bloodstain Pattern Analysis (BPA)

Count: 16 concepts (6.2%)

Concepts:

• 1. Blood Drop Physics
• 1. Surface Tension of Blood
• 1. Blood Viscosity
• 1. Blood Cohesion
• 1. Low-Velocity Impact Spatter
• 1. Medium-Velocity Impact Spatter
• 1. High-Velocity Impact Spatter
• 1. Angle of Impact Formula
• 1. Area of Convergence
• 1. Area of Origin in 3D Space
• 1. Stringing Technique
• 1. Passive Bloodstains
• 1. Transfer Bloodstains
• 1. Cast-Off Bloodstains
• 1. Arterial Spurting Pattern
• ...and 1 more

Forensic Anthropology (ANTHRO)

Count: 16 concepts (6.2%)

Concepts:

• 1. Human Osteology
• 1. Skeletal Anatomy (206 Bones)
• 1. Pelvic Morphology Analysis
• 1. Subpubic Angle Measurement
• 1. Greater Sciatic Notch
• 1. Cranial Feature Analysis
• 1. Biological Sex Estimation
• 1. Epiphyseal Fusion
• 1. Cranial Suture Closure
• 1. Age-at-Death Estimation
• 1. Long Bone Measurements
• 1. Stature Regression Equations
• 1. Antemortem Trauma
• 1. Perimortem Trauma
• 1. Postmortem Trauma
• ...and 1 more

Foundation Concepts (FOUND)

Count: 15 concepts (5.8%)

Concepts:

• 1. Forensic Science Overview
• 1. Scientific Method in Forensics
• 1. Locard Exchange Principle
• 1. Daubert Standard
• 1. Frye Standard
• 1. Expert Witness Role
• 1. Expert Witness Ethics
• 1. Evidence Admissibility
• 1. Fourth Amendment Rights
• 1. Fifth Amendment Rights
• 1. Search and Seizure Law
• 1. Warrant Requirements
• 1. Criminal Law vs Civil Law
• 1. Criminal vs Civil Standards
• 1. Criminal Justice Structure

Fire, Arson & Explosives (FIRE)

Count: 15 concepts (5.8%)

Concepts:

• 1. Fire Tetrahedron
• 1. Combustion Chemistry
• 1. Oxidation Reactions
• 1. Ignition Temperature
• 1. Flash Point
• 1. Arson Investigation
• 1. Accelerant Pour Patterns
• 1. Multiple Points of Origin
• 1. V-Pattern Burn Indicators
• 1. Spalling in Arson
• 1. Headspace Analysis
• 1. SPME Technique
• 1. Low Explosives
• 1. High Explosives
• 1. Post-Blast Analysis

Document Examination (DOCX)

Count: 15 concepts (5.8%)

Concepts:

• 1. Handwriting Analysis
• 1. Handwriting Characteristics
• 1. Line Quality in Writing
• 1. Slant and Spacing Analysis
• 1. Requested Writing Exemplars
• 1. Unrequested Writing Exemplars
• 1. Blind Forgery
• 1. Simulated Forgery
• 1. Traced Forgery
• 1. Ink Chemistry Analysis
• 1. Paper Chromatography
• 1. Thin-Layer Chromatography
• 1. Counterfeit Detection
• 1. Currency Security Features
• 1. Watermarks and Threads

Recommendations

• ✅ Excellent balance: Categories are evenly distributed (spread: 5.0%)
• ✅ MISC category minimal: Good categorization specificity

Educational Use Recommendations

• Use taxonomy categories for color-coding in graph visualizations
• Design curriculum modules based on taxonomy groupings
• Create filtered views for focused learning paths
• Use categories for assessment organization
• Enable navigation by topic area in interactive tools

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Report generated by learning-graph-reports/taxonomy_distribution.py