Services

Expert Witness

Forensic precision for high-stakes civil and criminal litigation.
Forensic Expertise

Court-Tested Analysis. Daubert-Ready Testimony.

Dr. Vecchi delivers forensic precision drawn from 29+ years of federal investigative service — including his role as Chief of the FBI Behavioral Science Unit. His analysis withstands aggressive cross-examination at deposition and at trial.
Qualifications

Federal Credentials. Field-Tested Expertise.

Chief, FBI Behavioral Science Unit

Retired Supervisory Special Agent and Unit Chief at the FBI Academy in Quantico, leading the unit responsible for behavioral analysis and threat assessment research.

Ph.D. & Published Researcher

Author of peer-reviewed books, chapters, and articles on crisis negotiation, suicide intervention, and targeted violence — including Fatal Grievances: Forecasting and Preventing Active Killer Threats.

DHS Certified Master Trainer

Certified Master Trainer in Threat Evaluation and Reporting under the U.S. Department of Homeland Security — cleared for confidential, secret, and top-secret engagements.

Court-Recognized Expert

Recognized as an expert in confirmation bias, interrogation, and police procedures. Reserve Deputy Sheriff with Clinton County, Missouri — and an active member of ATAP and ASIS International.
01

Disciplined Methodology

Every opinion is grounded in court-tested frameworks — Daubert, ANSI/ASIS, ATAP, the Pathway to Violence Model, WAVR-21, and the Behavioral Influence Stairway Model.
02

Built for Cross-Examination

Every report is Rule 26-compliant and engineered for clarity under pressure. Opinions, methodology, and bases are stated in language a jury can follow and a hostile attorney cannot rattle.
03

Rebuttal That Holds

Opposing experts get a rigorous read — methodological gaps, theoretical weaknesses, and unsupported conclusions are surfaced and documented for impeachment.

Considering Dr. Vecchi for your case?

Start with a conflict check. Send the parties, venue, and trial date and we will confirm availability within one business day.