Medical-Forensic Expert Witness
Intimate partner violence expert witness
Independent review and testimony in intimate partner and domestic violence cases, for prosecution and defense. The medicine can tell you a great deal about injury patterns. It can also be asked to say more than it should. I draw that line honestly.
What I review in an IPV case
Injury patterns in intimate partner violence must be read in the clinical context to be interpreted correctly. I work through the medical record, the photographs, and the literature, and I keep the difference between what a finding suggests and what it proves firmly in view.
- Medical, emergency-department, and examination records
- Photographs and injury documentation over time
- Depositions, interviews, and prior statements
- The peer-reviewed literature on injury mechanism, pattern, and timing
Injury patterns and their limits
Interpretation can fail in either direction: the prosecution treats an injury as proof of a mechanism; the defense treats the absence of injury as proof nothing happened. Neither shortcut survives a careful reading.
Key limits of injury evidence
- Consistency is not causation. An injury can be consistent with a described mechanism and with others.
- Absence is common. Many assaults leave no lasting or documented injury.
- Color does not date a bruise. Aging injuries by appearance has been shown to be unreliable.
- Pattern needs context. Location, defensive versus offensive injury, and the medical history all change the reading.
- The record has gaps. What was not documented is not the same as what did not happen, in either direction.
I state those limits in the report and on the stand, and I keep the opinion inside what the evidence supports.
Relevant training and experience
I completed the Domestic Violence Forensic Examination course through the California Forensic Medical Institute in 2023 and the Defense Health Agency Forensic Healthcare Examiner course the same year. I have performed and supervised medical-forensic examinations since 2019 and consulted on cases for both sides since 2022.
For prosecution and defense
I accept engagements from both the prosecution and the defense, and I apply the same methodology and the same fee structure regardless of retaining party. Details of how an engagement proceeds are available for the prosecution and for the defense.
Common questions
IPV expert witness FAQ
Can an injury pattern prove intimate partner violence?
An injury pattern can be consistent with a described mechanism, but consistency is not proof. The same injury often has more than one plausible cause. An honest opinion describes what a finding suggests and names the alternatives it does not exclude.
Do you work for the prosecution or the defense?
Both. Engagements from prosecution and defense proceed under the same standards and the same fee structure, and retaining counsel receives a candid assessment of the strengths and limitations of the medical evidence.
Can you reliably date a bruise or injury?
Dating a bruise by its color has been shown to be unreliable, and many injuries cannot be precisely timed. I will say what the evidence supports about timing and where it does not allow a confident conclusion.
What materials do you review?
Medical and emergency records, photographs, examination documentation, depositions and interviews, and the relevant peer-reviewed literature, applied to the specific facts of the case.
Other areas of expertise
Sexual assault & SAFE exams
Interpreting medical-forensic examination findings and their limits.
Strangulation
Non-fatal strangulation: the frequent absence of external findings, and the science.
Child abuse
Literature-grounded pediatric review: the differential, the mimics, the limits.
All services & process
Records review, reports, deposition, and testimony, and how an engagement runs.
Further reading: Why Bruises Cannot Be Reliably Dated by Their Color.
Contact
Discuss an IPV case.
Tell me the jurisdiction and the question you need answered. I'll tell you if I'm the right person for it. If I'm not, I'll say so.
info@firstdoknowharm.comInquiries only. Please don't send privileged or protected material until we've confirmed there's no conflict and agreed how to proceed.