How Police Track Mobile Communications

A Forensic Intelligence Walkthrough

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Tower Dump Analysis

Discover how investigators analyze mobile tower data to track device movements and identify suspicious patterns.

  • Tower connection logs
  • Time-based filtering
  • Anomaly detection
IMEI-SIM Correlation

Learn how police track devices through hardware IDs and SIM card changes to identify suspicious behavior.

  • Hardware tracking
  • SIM change detection
  • Pattern analysis
WiFi MAC Tracing

Explore how MAC addresses from WiFi connections can be used to track device movement patterns.

  • MAC address tracking
  • Network correlation
  • Location mapping

🔥 Case Study: "The Vanishing Laptop(with dummy data)"

📋 The Scenario

High-end laptop stolen from GGV's computer lab at 11:23 AM, June 6th. CCTV tampered. No fingerprints. Only lead: suspicious person with phone spotted outside.

🔍 Step 1: Tower Dump Analysis

Time Window: 11:20 AM – 11:30 AM

Location: Lab Tower (CG-BLP-022)

Key Suspect: Number 9977889900
  • IMEI: 3541111222333
  • Duration: 8 minutes (Longest connection)
  • App: Telegram
📱 Step 2: Call Record Analysis

Critical: Call made at 11:26 AM - exact time of theft

  • Location matches crime scene
  • Pattern: Repeated calls to same numbers
🔢 Step 3: IMEI Investigation
  • Multiple SIM switches detected
  • Suspicious pattern: 3 SIM changes in 4 days
📍 Step 4: Location Tracking

11:26 AM - Lab Tower

11:45 AM - Main Gate

12:05 PM - Shastri Nagar

→ Clear escape route identified

⚡ Breakthrough
  • Fake ID used for SIM registration
  • IMEI linked to Jio account: ravisharma123@
  • IP traced to GGV Wi-Fi
  • MAC address matched campus records
🎯 Case Solved Using:
Tower Dumps
CDR Analysis
IMEI Tracking
Pattern Matching
Wi-Fi Logs
MAC Tracing