Professional Polygraph
& Investigative Services
Ensuring Confidence and Trust with Polygraph Examinations
Hello! I’m Hal McDuffie, an experienced polygraph examiner. My company provides you with close to five decades of polygraph experience. I have provided my services to local law enforcement agencies, businesses and other state agencies.
Services We Offer
I conduct interviews and consultancy services to offer dependable polygraphy examination reports and expert insights. My assessments are aligned to your requirements. I take all the necessary precautions before conducting any polygraph examination.
I provide the following services for
Affiliations & Certifications
What keeps me relevant as a sought-after polygraph examiner is my expertise and experience in this field. I actively participate in various seminars to keep up with the updated information and learn the latest practices for conducting polygraph examinations.