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Evidence & Court

Turn Phone Numbers, Emails, and Wallets into a Connection Map

A worked example: take the scattered identifiers from a scam or harassment case and build a connection map that shows the structure hiding behind them.

If you have read what link analysis is, this is the hands-on version: how to take the numbers, emails, and wallet addresses you have collected and turn them into a map that shows who is connected to whom. The mechanics are simple; the value is in doing it carefully so the result holds up.

Step 1 — Gather your identifiers

Pull together every identifier from the case: phone numbers, email addresses, usernames, crypto wallets, account numbers, even reused profile photos. Put each one down as its own entry. Do not filter yet — the point of a map is to see connections you did not expect.

Step 2 — Draw the connections you can prove

For each pair of identifiers, ask: is there evidence linking them? The same email registered two wallets. One number texted three different accounts. A wallet that received funds and then forwarded them. Draw a line for each connection you can back with a real record, and note what backs it. Keep speculation off the map — the analytic standards from law-enforcement bodies exist precisely to keep each link documented.

Step 3 — Look for the hubs

Once the map is drawn, the busy nodes stand out: the email behind several wallets, the number tying separate “people” together. Those hubs are usually the real story — the single account or person operating behind what looked like many. That is the moment a scattered pile of evidence becomes a picture of how the scheme actually worked.

Step 4 — Make it usable

A map you build by hand is a great thinking aid, but at scale you want software that keeps it consistent and lets you pivot from any node to everything connected to it. SleuthX’s link analysis does this inside a full investigation, and the connections feed straight into a court-ready exhibit when you need one.

Primary sources

  1. International Association of Law Enforcement Intelligence Analysts (IALEIA) / DOJ Bureau of Justice Assistance, Law Enforcement Analytic Standards (OJP/NCJRS abstract). https://www.ojp.gov/ncjrs/virtual-library/abstracts/law-enforcement-analytic-standards
  2. Bureau of Justice Assistance / Global Justice Information Sharing Initiative, A Toolbox for the Intelligence Analyst. https://bja.ojp.gov/sites/g/files/xyckuh186/files/media/document/analyst_toolbox.pdf
  3. United Nations Office on Drugs and Crime (UNODC), Organized Crime — Tools and Publications (Criminal Intelligence Manual for Analysts). https://www.unodc.org/unodc/en/organized-crime/tools-and-publications.html

Meet Your Practitioner

Quinnlan Varcoe

Founder & CEO

GIAC-certified · 15 industry certifications

With operational experience across Fortune 50 security programs and the defense industrial base, Quinnlan founded SleuthX in 2022 to provide clients with the caliber of expertise typically reserved for the largest enterprises. Her work in threat intelligence and digital forensics has earned the trust of 26,000+ cybersecurity professionals who follow her analysis.

“26,000 professionals follow my work because I say what others won't — and I can back it up technically.”

Fortune 50 BackgroundDefense IndustryThreat IntelligenceDigital PrivacyIncident Response
Quinnlan Varcoe, Founder & CEO

Certified Expertise

GIAC · AWS · Splunk · CompTIA

Building a connection map: quick answers

Quinnlan Varcoe, Founder & CEO

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Hexen
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