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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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Mark Costanzo, PhD — Professor of Psychological Science

Confessions and Interrogations. Experienced in 300+ cases involving coerced/potentially false confessions. Member, LA Superior Court Expert Witness Panel. Rate: $275

Areas of Expertise: Interview & Polygraph

Tel: (949) 280-3425

Limited public information. For more, contact us.

David C. Mariasy — Team Audio Inc.

Forensic audio/visual specialist group (30+ yr). We provide analysis, enhancement, written transcriptions, expert witness deposition and testimony regarding audio and video files of all sorts. Consultants in legal, civil, and private matters.

Areas of Expertise: Audio & Video Forensics

Tel: (419) 243-3000

Limited public information. For more, contact us.

Harry B. Plotnick, PhD, JD — Forensic Toxicology Consultant

Forensic toxicologist, 40+ years, provides expert witness services with respect to alcohol, drugs and the prediction of alcohol levels in blood and breath, and evaluation and interpretation of urine drug tests for employers/employees, and probationers.

Law-Science Technologies, Inc.

Law-Science Technologies, Inc. offers fire and explosion investigations, Vehicle accident reconstruction, and a variety of forensic services. Visit our website for further details.

Ludlow Falls, OH

Kephart Consulting, LLC

Consultant/Expert Witness in Law Enforcement Standards and Practices, TASER policy, Corrections; Security Premises Liability/Foreseeability of Harm. Former Law Enforcement & Probation Chief, Olympics Security Administrator & Police Academy Directo

Areas of Expertise: Law Enforcement

Tel: (602) 615-7694

Limited public information. For more, contact us.

Steve G. Roberts, CPA/CFF, CFE, CCI, CGMA, Principal

Specializes in economic loss, forensic accounting, fraud examination, economic research and a broad range of valuation issues. Veritas team members, including Phd’s in Economics, CPA’s, executives, and former Big 4 members, testify regularly.

Norman Bates, BA, JD — Liability Consultants, Inc.

Security management consultant/attorney, 30+ yr, acts as an expert witness in inadequate security claims, security-related wrongful conduct, negligent hiring/training and workplace violence in hotels, shopping cntrs, complexes, offices, and many others.

Areas of Expertise: Security Management

Tel: (978) 310-7403

Limited public information. For more, contact us.

Richard Salinas — Polygraph Forensics, Inc

Polygraph (Bilingual) expert, experienced conducting polygraph examinations on murder, rape, robbery, child molestation suspects, as well as corporate, civil matters. Member, LA Superior Court Expert Witness Panel. Rate: $350 per exam, $100/hr testimony

Areas of Expertise: Interview & Polygraph

Tel: (323) 445-1584

Limited public information. For more, contact us.

Chuck Drago

Former Police Chief and police instructor, consulting expert witness, plaintiff and defense, in police practices, incl. use of force, Taser, officer involved shootings, police pursuits, domestic violence, criminal / narcotics investigations, and stalking.

Areas of Expertise: Use-of-Force

Tel: (407) 473-8033

Limited public information. For more, contact us.

Ivan R. Futrell

I record known inked fingerprints for clients who need them for background clearence.

Areas of Expertise: Fingerprints

Tel: (540) 659-6450

Limited public information. For more, contact us.

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Experts in the News

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.

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.

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.

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.

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.