Digital Forensics Expert Witness Testimony | The Waldrep Company
Expert Witness Services

Digital Forensics Expert Witness Testimony

Magnet Certified Forensics Examiner (MCFE). Court-qualified in federal and state proceedings. Clear, credible testimony that stands up to cross-examination.

The Waldrep Company provides court-qualified digital forensics expert witness services to attorneys in civil and criminal matters across the United States. With 19 years of hands-on casework in federal and state courts, Eric Waldrep delivers clear, technically sound testimony that judges and juries can follow.

Eric is a Magnet Certified Forensics Examiner (MCFE), a UAS/Drone Forensics Specialist, and a U.S. State Department ATA Cyber Mentor, and he works daily with Cellebrite UFED, GrayKey, and Magnet AXIOM. Every opinion is formed with Daubert and Frye scrutiny in mind, using methods that can be documented, repeated, and defended.

Whether you need a retained expert to review opposing counsel's analysis, provide deposition testimony, or take the stand at trial, the goal is the same: reliable, defensible opinions grounded in peer-accepted methodology. Eric's full background is on the about page.

Jurisdictions Served

Federal courts, state courts, and administrative proceedings nationwide. Available for travel.

  • Case review and initial opinion letter
  • Deposition testimony preparation and appearance
  • Trial testimony (direct and cross)
  • Rebuttal expert review of opposing expert reports
  • Daubert / Frye qualification support
  • Consulting expert services (non-testifying)
  • Attorney preparation sessions and mock cross-examination
  • Emergency / expedited case review
  • Federal & state court experience
  • Civil litigation: IP theft, employee misconduct, divorce
  • Criminal matters: prosecution and defense
Fed + State
Courts Qualified
19
Years Digital Forensics
27
Years Law Enforcement

When to Bring In a Digital Forensics Expert

Early. Digital evidence has a shelf life, and most of it is lost to routine handling, not bad faith.

The most common regret we hear from attorneys is not calling sooner. Phones get traded in. Company laptops get reimaged for the next hire. Cloud accounts sit under retention policies that quietly overwrite the records a case turns on. None of that is malicious. It is simply what happens to data when nobody tells anyone to stop.

Early involvement changes what is possible. We help counsel draft preservation letters that name the actual data sources, scope discovery requests so they capture artifacts rather than just documents, and identify which devices and accounts matter before money is spent imaging the wrong ones. That is the core value of a digital forensics expert for attorneys: knowing what to preserve before it is gone.

A free initial consultation is usually enough to tell you whether digital evidence can carry weight in your case.

Call now if any of these are true

  • A key device is about to be returned, resold, wiped, or reissued
  • A cloud or messaging account sits under a retention or deletion policy
  • Opposing counsel has served an expert report you need examined
  • Messages, photos, or documents are claimed to be fabricated or backdated
  • A screenshot is the only version of the evidence anyone has
  • You are drafting preservation letters or negotiating an ESI protocol

Consulting Expert or Testifying Expert

Two different roles. Picking the right one at the start protects both your budget and your strategy.

A consulting expert works in the background: reviewing the evidence, assessing the other side's forensic work, and telling you plainly whether the data helps you, hurts you, or does neither. A testifying expert is disclosed to opposing counsel, signs a report, and defends every opinion in it at deposition and trial.

Many engagements start in the consulting role, billed from $425/hr, and convert to a testifying role once the evidence supports disclosed opinions. If the review does not support your theory, you hear it early and privately.

When the case does call for disclosed opinions, findings are documented in a signed expert report or declaration written for Rule 26 disclosure and built to be defended, not just filed.

Deposition and trial testimony then rest on that report: every opinion traceable to an artifact, every method documented, nothing in the record that cannot be explained from the stand.

Built for the Courtroom

Every engagement is handled with the end-goal in mind: opinions that survive challenge and testimony that moves the finder of fact.

Daubert-Ready Opinions

All methodologies are peer-accepted and traceable. Eric documents every analytical step to withstand rigorous qualification challenges.

Jury-Friendly Communication

Complex digital evidence translated into plain language. Demonstrative exhibits and visual aids available for trial presentation.

Rebuttal Reports

Experienced at identifying methodological flaws in opposing expert work. Rebuttal opinions delivered with clear citations and comparisons.

Fast Turnaround

Expedited review available for time-sensitive matters. We understand court deadlines and work to meet them without cutting corners.

Free Initial Consultation

Complimentary case review for attorneys. Confidential. We'll tell you honestly whether digital forensics can strengthen your case.

Nationwide Availability

Based in Alabama and available to travel for depositions and trial nationwide. Remote consultation and testimony also available.

Deposition and Trial Testimony, Explained in Plain Language

Technical findings only matter if the finder of fact understands them.

Eric has worked casework in federal and state courts, for prosecution and defense in criminal matters and for plaintiff and defense counsel in civil litigation. That work includes deposition testimony, evidentiary hearings, and trial testimony under cross-examination.

Jurors do not follow database schemas or hex offsets, and they should not have to. The job on the stand is to say what the artifact means in plain terms: this message was sent from this device at this time, and here is how we know. Before private practice, Eric spent 27 years in law enforcement explaining technical findings to non-technical audiences.

Counsel gets support well before the testimony date. Preparation sessions walk through the opinions and the exhibits. Draft direct examination questions give each opinion room to land. Mock cross-examination surfaces the weak points while there is still time to address them.

Demonstrative exhibits, timelines, and visual aids are prepared as the case requires, simple enough for a jury to absorb at a glance.

Daubert and Frye Readiness

Opinions built the same way they will be attacked: method first.

Every examination uses methods the forensic community has tested and accepted, run with industry-standard tools including Cellebrite UFED, GrayKey, and Magnet AXIOM. Each analytical step is documented so another qualified examiner could repeat the work and reach the same result. Where a method has known limitations, the report says so, because limits hidden on direct examination become weapons on cross.

No expert can promise the court will qualify them, and you should hear alarm bells from anyone who does. What can be shown is a record: casework in federal and state courts.

The same scrutiny gets applied in reverse. If the other side has served an expert report, the Opposing Expert Report Review examines its methodology, tool use, and conclusions for gaps, at $2,750 flat.

Attorneys who want a structured starting point before retaining anyone can work from the free expert report review checklist.

How Retention Works

A short, predictable path from first call to work product. Most engagements are underway within days.

It starts with a free consultation. Describe the matter in general terms and you will get a straight answer about whether digital forensics can help and what it will cost. Nothing about the call obligates you.

If you move forward, a conflict check runs first, usually the same day. An engagement letter follows, defining scope, fees, and confidentiality, and work begins once the retainer is received. Consulting and review time bills from $425/hr, forensic acquisition is $1,500 per device, and the complete schedule is published on the rates page.

Location is rarely an obstacle. The practice is based in Addison, Alabama and serves attorneys nationwide: intake and conferences run remotely, devices ship for acquisition, and Eric travels for depositions, hearings, and trial. Call (251) 216-1164 or email info@thewaldrepcompany.com.

  • Step 1: Free initial consultation by phone or email
  • Step 2: Conflict check against current and past matters
  • Step 3: Engagement letter defining scope, fees, and confidentiality
  • Step 4: Retainer received and work begins
  • Step 5: Findings delivered, with deposition and trial support as the case requires
Free Resource for Attorneys

Expert Witness Report Review Checklist

Surface methodology gaps, Daubert vulnerabilities, and unsupported conclusions in an opposing expert's report, before they reach the bench.

Get the Checklist →

Digital Forensics Expert Witness FAQs

Cost, timing, remote work, and the qualification question attorneys always ask.

Consulting and case review bill from $425/hr. Forensic acquisition is $1,500 per device, and the Opposing Expert Report Review is $2,750 flat. The initial consultation is free, a written fee agreement comes before any work, and the complete schedule is on the rates page.
Usually within a few business days. The conflict check is typically completed the same day you call, the engagement letter follows, and work begins once the retainer is in place. Expedited review is available for matters with near-term deadlines.
Most engagements run almost entirely remote. Intake, case review, report delivery, and attorney conferences happen by phone and secure transfer, and devices can be shipped for acquisition. When a matter calls for an in-person appearance, Eric travels nationwide for depositions, hearings, and trial.
Both. Eric spent 27 years in law enforcement and has been retained by prosecution and defense in criminal matters, and by plaintiff and defense counsel in civil litigation, including employment disputes, intellectual property theft, family law, and personal injury cases.
No honest expert will promise that, because qualification is decided by the judge in each individual matter. What can be stated is the record: casework in federal and state courts across 19 years of digital forensics work.
Usually not. Late retention narrows the options, but focused work is still possible: reviewing the opposing expert's report for methodology gaps, preparing cross-examination material for counsel, or examining a single device or artifact set. Call and describe the deadline. If the timeline is not workable, you will hear that on the first call.

Ready to Discuss Your Case?

We offer a free, confidential consultation for attorneys. Call or email to get started today.

Learn the Methodology

Want investigators who can survive cross-examination? The Certified OSINT Investigator, Court-Ready Practitioner (COI-CRP) course teaches evidence handling, chain of custody, declarations, and Daubert, the same standards we testify to.

View the Course →

Request a Consultation on Expert Testimony

Tell us what the matter involves and we will respond personally. Initial consultations are free, and nothing you send here is a retention.

Sending this does not create an attorney-client or expert relationship, and please do not send privileged material or case evidence through this form. Prefer the phone? Call (251) 216-1164.