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Evidence & Court

Build a Scam or Harassment Timeline

A dated, plain-language timeline is the single most useful thing a non-expert can build. Here's how to structure one that a lawyer, the police, or a forensic examiner can actually use.

When a scam or a harassment campaign unfolds over weeks, the details blur. A timeline fixes that: it turns a pile of screenshots and half-remembered events into a clear, ordered story that anyone can follow. It is the artifact lawyers and investigators ask for first, because it shows the pattern — and points to the proof behind every line.

Why a timeline matters

Individual messages rarely tell the story; the sequencedoes. A timeline shows escalation, repetition, and the link between events that look unrelated in isolation. It also keeps you honest: each entry has to point at a real piece of evidence, which stops a case from drifting into “I think” and “probably.”

How to structure each entry

Keep it credible

Pick one time zone and note it at the top. Preserve the originals your timeline references rather than relying on screenshots alone — original message metadata and headers carry the authoritative time. Stick to facts and leave conclusions out; the sequence makes the point on its own. For the underlying preservation step, see screenshots vs. forensic evidence.

Hand it off

Once the timeline is built, it is the spine of the case. SleuthX’s AI triage can help organize the events and the evidence behind them, with an examiner reviewing the result, and this guide covers how to package it for a lawyer or the police.

Primary sources

  1. National Institute of Standards and Technology, SP 800-101 Rev. 1 — Guidelines on Mobile Device Forensics, 2014. https://csrc.nist.gov/pubs/sp/800/101/r1/final
  2. U.S. Federal Trade Commission, IdentityTheft.gov — document what happened and build a recovery plan. https://www.identitytheft.gov/
  3. Scientific Working Group on Digital Evidence (SWGDE), SWGDE Best Practices for Digital Evidence Collection (18-F-002). https://www.swgde.org/documents/published-complete-listing/18-f-002-best-practices-for-digital-evidence-collection/

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 timeline: quick answers

Quinnlan Varcoe, Founder & CEO

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Exhibit A Cyber
Ally Security
KIRO Group
Black Mirage
Kalles Group
Gridware
CQR
Archstone Security
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Cloud Underground
Seron Security
Hexen
Koru Risk Management