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Expert Witnesses & Forensic Consultants Directory

Criminal & Identification

Expert witnesses and forensic consultants in criminal cases and identification matters, profiled in this directory, may provide criminal forensics services and consult in forensic laboratory testing procedures, breathalyzers and intoxication levels, drugs and alcohol levels, drugs in biological fluids, DNA and blood evidence, crime scenes, ballistics and guns, computer forensics, audio and video forensics, voice identification, fingerprints, firearms forensics, questioned documents and forged signatures, and related forensic matters. These criminal law expert witnesses may also specialize in issues of premises security and premises liability, crime foreseeability, mental health and gun violence, stalking, domestic violence, criminology, police procedures and police misconduct, interviews and false statements, false confessions, jails and prisons, death in custody, private investigators and surveillance, sub rosa, and related matters in the identification of people and property.

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Walter Bell | Flooring, Coatings, & Concrete Forensic Failure Analysis + Testing

Forensic flooring failure analysis and expert consulting regarding complex floor covering, coating, and concrete slab disputes. My practice is grounded in scientific investigation, engineering-grade analytical testing, and root-cause attribution.

Istvan Jonyer, Ph.D. - Telecommunications, Networking

Telecommunications, networking, data communications, mobile networking, and networking protocols expert. Experienced testifying expert with 25+ cases.

Los Angeles, CA

Chip Darius, OHST, CSHO, CUSP - Safety Priority Consultants, LLC

OSHA compliance, safety & health, and risk management consultant and trainer since 1991. Expert in OSHA standards and consensus standards for fatality, catastrophic injury, and personal injury cases in construction, utilities and general industry.

John A. Williams, PhD, PE, ASA, MBA, CFEI, AIChE Fellow

Engineering analysis, forensic investigations, and IP valuation with 40+ years of experience. Dr. Williams provides expert testimony for energy, chemical, and manufacturing disputes, bridging complex technical and financial issues effectively.

Ronald H. Roberts, PhD, ABPP

Forensic Psychology and Neuropsychology: Evaluations for Brain Injuries, PTSD, Disability, Employment Litigation, Toxic Exposure, Disability and related concerns, drug and alcohol abuse and mental competencies. Deposition and Trial Consultation.

Jeff Dietrich — Motor Carrier Law Enforcement Expert

Commercial motor vehicle expert serving in issues of Federal Motor Carrier Safety Regulations, crash investigations, hazardous material incidents, intoxicated/impaired driving, drug recognition/interdiction, criminal investigations and interrogations.

Aron Liebe — Commercial Motor Vehicle Expert

Commercial Motor Vehicle expert in crash investigations, Federal Motor Carrier Safety Regulations, industry standards, HAZMAT, impaired driving, CMV State and Federal Regulatory law enforcement, with 23-years of law enforcement experience.

North Sioux City, SD

Michael J. Fernald, CPA, CFE, PI - Forensic Accountant & Expert Witness

Retired IRS-CI Special Agent (2000-2024) & CPA/CFE/PI providing forensic accounting, fraud investigation, AML/BSA, and expert witness services nationwide. Fund tracing, Ponzi/embezzlement, money laundering, receivership accounting. Austin, TX.

Cryptocurrency Tracing & Blockchain Forensics

StonePath Investigations provides cryptocurrency tracing, blockchain forensics, wallet activity review, exchange exposure analysis, and digital-asset investigative reporting for attorneys in divorce, probate, judgment, fraud, and business-dispute matters.

OSHA & Workplace Safety Expert

Board-certified and chartered safety & health executive and consultant, holding designations in the United States (CSP), Canada (CRSP), and the United Kingdom (CMIOSH).

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Experts in the News

New AI-Discovery Rulings: Risks for Experts

Oct 26 — Two federal courts examining very similar facts — experts using AI to help prepare their reports — have reached different conclusions about what has to be turned over. Unsettled law leaves the expert’s AI workflow dependent on which court is asking.

Failing to Examine Plaintiff and His Records Gets Medical Expert Tossed

Aug 25 — Failing to examine a plaintiff, failing to review all of the plaintiff’s medical records, and citing "facially irrelevant" medical literature will can — unsurprisingly — get a medical expert witness tossed, as in this case.

Federal Rules Committee Still Reviewing AI Expert Witnesses

Aug 26 — After more than three years of review, the federal Advisory Committee on Evidence Rules has decided not to advance proposed Rule 707 artificial intelligence (AI) evidence, opting instead to gather further input.

Expert Witness Testifying About ‘Mortal Sin’ Leads to Call for Mistrial

Aug 26 — Massachusetts bars the use of religious beliefs from being used to attack or support the credibility of a witness, but that did not stop forensic psychologist Dr. Kirk Heilbrun, a prosecution rebuttal witness, from trying in the Lindsay Clancy trial.

Credentialing Expert Witnesses In Unlicensed Professions

Oct 19 — Qualifying as an expert witness can be a bit slippery in matters without clearly defined expert witness requirements, as this premises-liability case exemplifies.