The Certified Forensic Interviewer Credential
The CFI is the only credential of its kind for professional investigative interviewers. Awarded by the International Association of Interviewers (IAI), it certifies that you can conduct ethical, defensible, evidence-based interviews across the toughest investigative environments.
For Career Interviewers
- Loss prevention & AP leaders
- Corporate investigators
- HR / Employee relations
- Law enforcement detectives
- Federal investigators
- Compliance & audit
Why the CFI Matters
CFI-holders prove they can navigate the eight learning domains of professional interviewing — from legal foundations to behavior analysis to written statements. The credential is recognized across retail, corporate, HR, and law enforcement.
Legal Defensibility
CFI-trained interviewers operate inside ethical and legal boundaries that hold up under cross-examination.
Eight Learning Domains
Theory, methodology, behavior analysis, legal aspects, evidence, written statements, false confessions, and ethics.
Global Recognition
CFIs are active across North America, EMEA, and APAC — and the credential is portable between industries.
Three-Year Renewal
Renew via continuing education credits — keeping CFIs current as methodology and case law evolve.
Active CFI Community
Connect with other CFIs through IAI conferences, webinars, and the Loss Prevention Foundation network.
Career Differentiator
Employers post for CFIs by name. The credential shortens hiring loops and supports advancement.
Your Path to CFI
Meet the Eligibility Bar
Three years of investigative experience, two professional references, and a clean disciplinary record.
Prepare with WZ
Complete the CFI Preparation Workshop or CFI Evolved online course to study the eight domains.
Apply Through IAI
Submit the IAI application with your experience documentation, references, and the application fee.
Pass the Exam
Sit the proctored, four-section IAI exam covering all eight CFI domains.
Maintain Your Credential
Earn continuing education credits and renew on a three-year cycle to keep your CFI active.
Programs That Get You CFI-Ready
WZ runs the prep coursework that most CFI candidates rely on before sitting the IAI exam — plus the foundational programs the CFI domains build on.
CFI Preparation Workshop
Targeted review of the eight CFI domains with practice tests before sitting the IAI exam.
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CFI Evolved — Online Prep
Updated curriculum covering 90% new content across the eight CFI learning domains.
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Level I Investigative Interviewing
The interviewing foundation most CFI candidates start with before attempting the exam.
View Course Details CFI Recertification
Continuing education and renewal pathway to keep your CFI credential active.
View Course DetailsRecognized by the Industry's Leading Organizations
Testimonials
“The CFI designation tells employers, attorneys, and peers that you have made a measurable commitment to ethical, evidence-based interviewing.”
“Pairing the WZ method with the CFI exam preparation gives investigators an end-to-end professional pathway that holds up in any room.”
“Once our team earned CFIs, our investigative outcomes became consistent across every region. The credential changed how leadership viewed our work.”
Ready to Pursue the CFI?
Talk with WZ about the right prep path for your team, your current experience level, and your IAI application timeline.