Production Case Study 09 • Verified Enterprise System

Investig8-VA — Retail Fraud, Shrinkage & Video Audit Platform

Blazor Server C# / .NET Core SQL Server Synchronized Video Scrub Rules Engine Audit Workflow

Engineered a full-stack Blazor Server forensic platform that synchronizes POS transaction data with surveillance video playback, managing multi-tier fraud investigation workflows across 34 enterprise retail clients.

Role Full-Stack Architect & Lead
Timeline 2023 – 2024
Scale & Throughput 34 Retail Clients • 22k Incidents
Domain / Focus Retail Loss Prevention & Video Audit
Executive Brief

Operational Snapshot & Impact

High-stakes systems integration demands real-world reliability, sub-second latency, and deterministic execution under peak production load. Here is the operational profile:

Role Full-Stack Architect & Lead
Timeline 2023 – 2024
Scale & Throughput 34 Retail Clients • 22k Incidents
Domain / Focus Retail Loss Prevention & Video Audit

The Business Problem: Turning Raw Footage into Legal Evidence

Retail loss prevention often fails not from lack of cameras, but from lack of structured procedural evidence. A suspicious void, sweethearting incident, or refund scam recorded on video is legally useless without an unbroken chain of custody: connecting the till slip line items to the exact video second, documenting auditor observations, and securing formal managerial approval before disciplinary or police action.

Investig8 captured raw transaction feeds and video streams into storage, but lacked an application layer to operationalize investigations. Warren was brought in to architect the full-stack investigative platform from scratch.

Multi-Stage Investigation Workflow

Warren architected a strict, role-governed audit pipeline ensuring every flagged transaction is thoroughly verified:

Automated POS Ingestion → Suspicious Transaction Flagged (Void, Refund, High Variance)
↓ Queue Assignment
Tier-1 Video Auditor Reviews Synchronized Footage & Completes Checklists
↓ Finding Documented with Timestamp Bookmarks
Tier-2 QA Reviewer Independently Validates Findings & Evidence Quality
↓ Verified Incident Dispatched
Store General Manager & Retail Security Review Evidence
↓ Formal Resolution
Final Disciplinary, Police, or Procedural Corrective Action Logged

Synchronized Video & Till-Slip Scrubbing

The standout technical achievement of the platform is bidirectional synchronization between video playback and transactional data:

  • Dynamic Slip Tracking: As the auditor plays, rewinds, or scrubs video footage, the digital receipt alongside the player automatically scrolls, highlighting the exact item being scanned at that split second.
  • Timeline Jump Points: Clicking any item on the till receipt instantly seeks the video to that exact transaction timestamp, allowing instant verification of whether the physical item was placed in the bagging area.
  • Side-by-Side Clarity: Displays clean metadata alongside the video stream rather than obscuring camera footage with opaque overlays.

Configurable Audit Rules Engine

To eliminate auditor subjectivity, Warren implemented a dynamic rules engine tailoring checklists to specific transaction categories:

  • Void Checks: Prompts the auditor to verify: Was the customer present? Was the store manager present to authorize? Was the merchandise actually returned to the counter?
  • Refund Verification: Enforces customer presence, manager key-turn verification, and physical inspection checks.
  • Structured Evidence Dossiers: Compiles operator notes, timestamped freeze-frames, and transactional logs into exportable legal audit packets.

Forensic Reporting & KPIs

Warren engineered deep SQL Server reporting engines tracking both shrinkage trends and management responsiveness:

  • Store Shrinkage Heatmaps: Tracks high-risk cashiers, high-variance shifts, and loss categories across participating store locations.
  • Manager SLA Compliance: Measures the delta between incident detection and store manager review, identifying locations where management fails to act on verified fraud.
  • Disciplinary Outcomes: Categorizes valid warnings, terminations, and criminal charges arising from audit findings to measure ROI.

Scale: 22,000 Investigations across 34 Clients

The platform established itself as the core operational engine for Investig8's national control room:

  • Enterprise Adoption: Deployed across 34 retail franchise client groups.
  • Investigation Volume: Processed over 22,000 formalized fraud and shrinkage incidents within a six-month window.
  • Production Longevity: Continues to run as an indispensable daily operational audit tool.

Technology Stack

Full-Stack Web Architecture Blazor Server, C#, .NET Core, SignalR Real-Time DOM Updates
Database & Analytics Microsoft SQL Server (Complex relational auditing & KPI analytics)
Video Streaming Subsystem HTTP Media Server, NAS Mounts, Bidirectional Timeline Synchronization
Workflow Engine Multi-Tier Role Access (Auditors, QA Supervisors, Store Managers, Owners)
Domain Application Retail Loss Prevention, Sweethearting Detection, Audit Compliance
Client Scale 34 Retail Client Organizations, 22,000+ Formal Incidents Processed
Enterprise Architecture Consulting

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