Investigative Interviewing for Loss Prevention & Retail
For over 40 years, WZ has provided morally, legally, and ethically acceptable methods for obtaining the truth in the workplace. Our non-confrontational approach eliminates interviewer-subject conflict and produces faster, more accurate results.
For LP & Security Teams
- Loss Prevention investigators
- Security professionals
- Fraud & audit teams
- Operations managers
- Asset protection directors
- Internal investigators
Why WZ for Private Sector?
Our research-based, non-confrontational methodology reduces resistance, prevents false confessions, and provides multiple flexible interview approaches. Over 200,000 investigators have been trained by WZ using these evidence-based techniques.
Non-Confrontational Method
Eliminates interviewer-subject conflict. Reduces resistance and de-escalates difficult conversations for more productive outcomes.
Prevents False Confessions
Evidence-based techniques that protect your organization from liability while producing reliable, truthful information.
Behavioral Analysis
Learn to assess behavior cues, establish credibility, and recognize indicators of truthfulness vs. deception.
CFI Certification Path
Graduates are eligible to pursue the Certified Forensic Interviewer credential, the industry gold standard.
On-Site Available
Custom programs delivered at your location. Tailor case studies and scenarios to your organization's specific challenges.
FlexPlan Guarantee
Need to reschedule? Our FlexPlan allows you to transfer registration to another course at no extra cost.
Your Path to Certification
Choose Your Program
Browse our catalog of seminars designed specifically for loss prevention and retail security professionals.
Register Online
Select your preferred dates and location. Seminars are available across the US, Canada, and internationally.
Attend Training
Participate in hands-on, interactive training led by Certified Forensic Interviewers with real-world experience.
Earn Certification
Complete the course assessment and receive your WZ certification, recognized across industries worldwide.
Apply Your Skills
Return to your organization equipped with proven, ethical, evidence-based techniques to get to the truth.
Private Sector Training Programs
Explore our seminars designed to equip loss prevention and security professionals with the skills to conduct effective, ethical investigations.
Level I - Investigative Interviewing Techniques
The flagship 2-day WZ program covering the complete non-confrontational interview method — rapport, questioning, behavior, admissions, and written statements.
View Course Details
Seminario Web: Comprendiendo el Modelo P.E.A.C.E.
Next session: Jun 15, 2026.
View Course Details Webinar: Managing Conflict through De-Escalation Tactics
Next session: Jun 19, 2026.
View Course Details Webinar: Developing Details Beyond the Investigation
Next session: Jun 22, 2026.
View Course Details Level II - Practical Application Workshop
Apply Level I knowledge through realistic case scenarios with live instructor critique.
View Course Details CFI Preparation Workshop
Comprehensive review of the eight CFI domains with practice tests before sitting the IAI exam.
View Course Details Level I - Workplace Investigative Interviewing Strategies
Next session: Jul 29, 2026 – Jul 30, 2026.
View Course Details Trusted by Leading Organizations
Testimonials
“The absolute BEST part about our training was that after class it's all we could talk about! Two days with you were certainly enjoyable and impactful.”
“WZ training transformed our investigation outcomes. Our team's case resolution rates improved significantly while reducing the risk of false confessions.”
“The non-confrontational approach is a game changer. We now have consistent, ethical methods across our entire investigative team.”
Ready to Train Your LP Team?
Contact us to learn how WZ can create a custom program for your retail or private sector organization.