Understanding Pediatric Female Penetration: Anatomy, Physiology, and Research
This program gives criminal defense lawyers a clear, science-based framework for analyzing forensic nurse examinations in cases alleging penetration of prepubertal children. It walks step-by-step through the forensic examination process—from patient arrival and evidence collection to documentation and interpretation—showing how medical findings are frequently misunderstood, overstated, or improperly framed as proof of sexual assault. The program emphasizes a critical principle often lost at trial: forensic examinations are designed to assess health and collect evidence, not to determine whether abuse did or did not occur.
Criminal defense lawyers who watch this program will gain practical tools for identifying and challenging unreliable or misleading forensic testimony. The program explains normal anatomical variants of prepubertal female genitalia, the difference between notches and transections, and how lighting, photography, examiner technique, and improper use of tools like Toluidine Blue Dye can create the appearance of injury where none exists. It addresses acute versus non-acute exams, delayed disclosure cases, and the frequent absence of diagnostic findings even in confirmed abuse cases, giving lawyers the medical grounding needed to dismantle claims that “injury proves penetration” or that “no injury means nothing happened”.
The program also equips defense attorneys to confront misuse of research and statistics in child sexual abuse prosecutions. It breaks down commonly cited claims—such as the “only 2% show injury” statistic and the “pregnant adolescent” studies—explaining what the research actually says, what it does not say, and how experts often cherry-pick data without proper context. Lawyers will learn how to demand full articles, evaluate whether research is current and relevant, and force experts to acknowledge uncertainty and individual variability. By combining medical literacy with evidentiary rigor, this program strengthens cross-examination, motions practice, and trial advocacy in some of the most emotionally charged cases in criminal defense.
Tristan Ashly Wristen has been a nurse for over 16 years, primarily working in emergency departments and serving as a forensic nurse examiner for five years. After earning a master's degree in forensic nursing, Tristan founded TW Forensic Consulting, where she provides forensic consulting and education services. She is currently pursuing a doctorate in forensic nursing. Tristan has been recognized as a trial expert in forensic nursing, sexual assault, strangulation, and injury causation in 21 states and for the US Military in courts-martial proceedings both in the United States and England. Tristan holds dual board certifications as a Sexual Assault Nurse Examiner for Adults/Adolescents (SANE-A) and for Pediatrics (SANE-P). She serves as Vice Chair and Education Commissioner for the Commission for Forensic Nursing Certification within the International Association of Forensic Nursing. Additionally, Tristan is an adjunct professor at Rutgers University, where she teaches the forensic nurse examiner course.
CLE State Accreditation
- General 1.00
- General CLE-HI: 1.00
- General CLE-SD: 1.00
- General CLE-NY: 1.20
- General CLE-MD: 1.00
- General CLE-VT: 1.00
- General CLE-MA: 1.00
- General CLE-DC: 1.00
- General CLE-ND: 1.00
- General CLE-OR: 1.00
- General CLE-WA: 1.00
- General CLE-CT: 1.00
- General CLE-NH: 1.00
- General CLE-FL: 1.20
- General CLE-VI: 1.00
- General CLE-AZ: 1.00
CLE State Accreditation:
- General 1.00
- General CLE-HI: 1.00
- General CLE-SD: 1.00
- General CLE-NY: 1.20
- General CLE-MD: 1.00
- General CLE-VT: 1.00
- General CLE-MA: 1.00
- General CLE-DC: 1.00
- General CLE-ND: 1.00
- General CLE-OR: 1.00
- General CLE-WA: 1.00
- General CLE-CT: 1.00
- General CLE-NH: 1.00
- General CLE-FL: 1.20
- General CLE-VI: 1.00
- General CLE-AZ: 1.00