Criminal Defense Expert Witnesses

Criminal defense expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on criminal defense. The criminal defense expert witness listings on this page are typically from fields/areas of expertise such as: Accounting, Brain Injury Medicine, Fraud, Investigation, Law Enf & Criminal Justice, Police Practices & Procedures, and Psychology.

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Katheryn R Scott

Follow the Money Expert in Civil & Criminal Cases

Baldwin Legal Investigations LLC

Daphne, Alabama
Fraud, Accounting - White-Collar Fraud, Embezzlement, Bank Fraud, Securities Fraud, Public Corruption, Credit Card Fraud, Elderly Exploitation, Locate Hidden Assets, Heirs Research for Probate Estates, Financial Forensics, Money Laundering, Criminal Defense, Civil Cases, Capital Murder Cases, Mitigation Specialist
I have extensive experience in the areas of fraud prevention, detection and investigation; data analytics; controller and general accounting; Sarbanes-Oxley Compliance; internal auditing; internal control assessments; business process mapping; financial analysis and reporting; and reconstruction of financial records. My career was built on taking apart financial records and putting them back together again in a cohesive story. I am currently licensed in Alabama as a Private Investigator (#689) and have held the Certified Fraud Examiner designation for over 21 years. I retired from the Federal Bureau of Investigations (FBI) as Sr. Forensic Accountant in 2017, which led to my starting my own practice to continue doing the work I love with the U.S. Attorney's Office, FBI, Secret Service, Defense Attorneys and the public. I previously held certifications in: Certified Internal Auditor (2001-2016), Certified in Control Self-Assessment (2002-2016), Accreditation in Internal Quality Asses...
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Aaron T. Olson, M.Ed.

Police Practices Expert -Retired State Police

A.T. Olson Consulting, L.L.C.

California
Police Practices & Procedures, Investigation - Police Procedures, Police Policies, Police Investigations, Police Interviews, Police Arrests, Police Use of Force, Police Shootings, Police Pursuits, Wrongful Death, Negligent Hiring, Negligent Retention, Failure to Supervise, Failure to Train, Discrimination, Harassment, Retaliation, Investigations, Criminal defense, Homicide, Assault
1. U.S. Department of Veterans Affairs Center for Verification and Evaluation (CVE) as a Verified Service-Disabled Veteran Owned Small Business (SDVOSB). 2. Published senior co-writer of CARE Approach: Seeking Solutions to Human Problems, Kendall Hunt. 3. Published co-writer of Multicultural Law Enforcement: Strategies for Peacekeeping in a Diverse Society, 7th Edition by Pearson. 4. Published co-writer of Multicultural and Diversity Strategies for the Fire Service by Pearson. 5. Retired Oregon State Police Sergeant with 26 years of police service. 6. Former Oregon Department of Public Safety Standards and Training Instructor on Background Investigations, Internal Affairs Investigations and Report Writing. 7. Former Local Government Personnel Institute HR Investigator: Investigated police chiefs, county commissioners, city council members, and employees. 8. U.S. Army Veteran serving in the Military Police Corp. 9. Retired Commissioned Officer from the U.S. Army Reserves. 10.Bachelo...
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Jamie Brenner, PsyD

Forensic & Clinical Psychologist

Denver , Colorado
Psychology - Child Abuse, Autism Spectrum Disorder, Impact of Childhood Abuse in Adulthood, Sexual Assault, Psychological Trauma, Criminal Defense, Intimate Partner Violence/Domestic Violence, PTSD, Criminal Prosecution, Neurodevelopmental Disability, Sentence Mitigation
I am a licensed clinical and forensic psychologist specializing in psychological assessment. With well over a decade of clinical experience working in hospitals, schools, community mental health, the foster care system, and private practice, I provide comprehensive psychological evaluation and expert testimony to bring clarity to complex legal questions and present findings in a clear and approachable way to support fair decision-making. My background includes: Specialized training in the treatment and assessment of psychological trauma (PTSD) Completing specialized postdoctoral fellowship training at Children's Hospital Colorado Managing child and autism assessment services for a large community mental health center Publishing research on the intersection of developmental disabilities and psychological trauma Testifying in federal immigration court Training the next generation of psychologists through teaching and clinical supervision My areas of expertise include: Posttrau...
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R.W. "Rick" Simpson

theFairWay

Fort Lauderdale, Florida
Law Enf & Criminal Justice, Investigation - Case Review, Corruption, FCPA, Crypto currency, Elder Abuse, Money Laundering, Violent Crime, CPA, Ponzi Scheme, Health Care Fraud, Financial Crime, Anti-Trust, Securities Fraud, Bank Fraud, Criminal Defense, Organized Crime, White Collar Crime, Asset Tracing, Whistelblower, Litigation Support
R.W. “Rick” Simpson is a retired FBI Supervisory Special Agent who spent the final three years of his career leading the Miami International Corruption Squad which investigated FCPA, Kleptocracy, and Anti-Trust matters reaching to the highest levels of country and corporate governance. In this role, Mr. Simpson developed excellent working relationships with top prosecutors and law enforcement officials in multiple countries and gained substantial experience navigating the complexities of multi-jurisdictional investigations. His 26-year FBI career included significant time serving in Los Angeles, FBI Headquarters, Washington DC, and Miami. He joined the FBI with a CPA background, having worked as a Controller for a group of structured finance corporations. Throughout his FBI career, Mr. Simpson made extensive use of sophisticated investigative techniques while conducting numerous high profile organized crime, financial crime, and money laundering investigations. He has testified as ...
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Dr. Jennfier Sweeton, JD, PsyD, MS, MA

Stanford-Trained PTSD Expert, Psychologist, JD

Mind Works Consulting and Psychological Services

Kansas City, Missouri
Psychology, Brain Injury Medicine - PTSD, Personal Injury, Criminal Defense, Medical Malpractice, Psychological Trauma, Malingering, Competency, Mitigation, IMO, Mental Health Malpractice, Personality Assessment, Psychological Evaluation, MMPI, MCMI, PAI, Disability
Dr. Sweeton has experience as an expert witness, consultant, and forensic evaluator in capital murder, personal injury, malpractice, and criminal defense cases. She also has extensive experience working with veterans pursuing service connection disability for mental disorders, posttraumatic stress disorder, and traumatic brain injury. Dr. Sweeton is a holder of the PSYPACT Authority to Practice Interjurisdictional Telepsychology, which allows her to provide forensic psychological evaluations remotely online by telehealth across 42 States. Redacted example reports available upon request! Originally trained as a neuroscientist, Dr. Jennifer Sweeton is a clinical and forensic psychologist, Amazon #1 best-selling author in clinical psychology, and internationally-recognized expert on trauma and the neuroscience of mental health. She is the author of the Trauma Treatment Toolbox (PESI Publishing), Train Your Brain Card Deck (PESI Publishing and Media), Eight Key Brain Areas of Mental He...
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Aaron T. Olson, M.Ed.

Police Practices Expert -Retired State Police

A.T. Olson Consulting, L.L.C.

Beavercreek, Oregon
Police Practices & Procedures, Investigation - Police Procedures, Police Policies, Police Investigations, Police Interviews, Police Arrests, Police Use of Force, Police Shootings, Police Pursuits, Wrongful Death, Negligent Hiring, Negligent Retention, Failure to Supervise, Failure to Train, Discrimination, Harassment, Retaliation, Investigations, Criminal defense, Homicide, Assault
1. U.S. Department of Veterans Affairs Center for Verification and Evaluation (CVE) as a Verified Service-Disabled Veteran Owned Small Business (SDVOSB). 2. Published senior co-writer of CARE Approach: Seeking Solutions to Human Problems, Kendall Hunt. 3. Published co-writer of Multicultural Law Enforcement: Strategies for Peacekeeping in a Diverse Society, 7th Edition by Pearson. 4. Published co-writer of Multicultural and Diversity Strategies for the Fire Service by Pearson. 5. Retired Oregon State Police Sergeant with 26 years of police service. 6. Former Oregon Department of Public Safety Standards and Training Instructor on Background Investigations, Internal Affairs Investigations and Report Writing. 7. Former Local Government Personnel Institute HR Investigator: Investigated police chiefs, county commissioners, city council members, and employees. 8. U.S. Army Veteran serving in the Military Police Corp. 9. Retired Commissioned Officer from the U.S. Army Reserves. 10.Bachelo...