The ISN Investigative Interviewing System, course information and registration
Investigative InterviewingThe ISN Investigative Interviewing courses come in a variety of modules from a 1 day to a 3 day advanced course. ISN will assist you with selecting the right course for you or we will customize to suit the specific needs of our clients.
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Our Team
The ISN team is led by Dave Perry who has 27 years of police experience retiring as one of the most recognizable and successful investigators in the Toronto Police Service. In his distinguished career he has worked on some of the largest and most sensitive investigations in the country. He has been called on to speak and make presentations in a variety of forums including international conferences.Learn More >>
Testimonials
My experience at Durham College has been extremely positive. I'd like to take this opportunity to thank Detective Sergeant Dave Perry for his ability to inspire and motive his students; he truly is an exemplary instructor and mentor...Learn More >>
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Consulting
- Corporate Risk Management
- Alternative Dispute Resolution
- Security Audits
- Alarms and Security Systems
- Computer Security / Cber Crime
- Policy and Procedure Development
- Risk Assessment
- Arbitration
- Personal Security / V.I.P Protection
- Employee Integrity Testing
No matter what your problem or need ISN will find a solution that will work for you using
the best people, the best methods,
achieving the best results.




