Visual OSINT Network Maps: The Art of Visual Verification

Course overview

Build hand-drawn OSINT investigation files by verifying digital artifacts, mapping online evidence, and turning scattered digital intelligence into clear visual case documentation.

Course Module

Start Here

What is AI?
Types of AI (Narrow, General, Super intelligent)
Real-world AI use cases
Machine learning vs. traditional programming

Lesson 1 — Professional OSINT Applied to Crime Investigation

What is data? (structured vs unstructured)
Types of data (numerical, categorical, text, images)
Data collection methods
Data cleaning & preprocessing basics
Training data vs testing data

Lesson 2 — Artifact Build Building Hand-Drawn Visual Intelligence for the Crime

What is supervised learning?
Regression vs classification
Common algorithms (Linear Regression, Logistic Regression, KNN, Decision Trees)
Feature selection & labels
Real-world supervised learning examples

Guided Case Lab™ — Open Discussion & Feedback

What is unsupervised learning?
Clustering concepts (K-Means, Hierarchical clustering)
Dimensionality reduction (PCA basics)
Pattern discovery & grouping data
Real-world use cases (customer segmentation, recommendation)

Final Project — Hand-Drawn OSINT Investigation File

Introduction to neural networks
How neurons, layers & activation functions work
Feedforward vs backpropagation
Deep learning vs traditional ML
Real-world applications (image recognition, NLP)

Meet Your Instructors

Larry Margulies

Founder, Lead Instructor & Case Advocate

Founder of DIY Detective™ and creator of the Drawn Evidence™ visual-intelligence training system. Larry leads instruction in visual investigation, case architecture, public accountability, and civilian case advocacy. Selected courses may also feature guest experts and specialist instructors with professional experience in relevant fields.

What Students Say.

Student experiences and feedback will appear here as the Drawn Evidence™ community grows.

Smiling young man with short light brown hair wearing a dark gray button-up shirt with rolled-up sleeves against a dark gray background.

Course Participant

Drawn Evidence™ Community

Student experiences and feedback will appear here as the Drawn Evidence™ community grows.

Smiling man with curly hair, beard, round glasses, wearing a brown leather jacket over a green shirt against a plain gray background.

Course Participant

Drawn Evidence™ Community

Student experiences and feedback will appear here as the Drawn Evidence™ community grows.

Smiling young man with dark hair wearing a gray blazer and a graphic t-shirt, lit by sunlight indoors.

Course Participant

Drawn Evidence™ Community

This course completely changed how I understand AI. The instructor broke down even the most complex topics—like neural networks and gradient descent—into simple, digestible lessons. The hands-on exercises helped me finally connect theory with practical implementation.