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Capability

speaking and teaching engagements

Suppliers
1
States & provinces
1
Countries
1

1 speaking and teaching engagements supplier across 1 states and provinces in 1 country. Profiles show capabilities, materials, certifications, and facility locations so you can compare shops and build a shortlist.

Suppliers

DUVEN POLYGRAPH SERVICES LLC

ABERDEEN, SD

Duven Polygraph Services was established in 2020 by owner and polygraph examiner Eric Duven, a certified forensic psychophysiologist, after he retired from the Aberdeen, South Dakota Police Department. The company provides clinical, criminal forensic, and private polygraph examinations and consultations in South Dakota and North Dakota, and travels to clients throughout both states.

background investigationsconsultationsforensic psychophysiologylaw enforcement trainingpolygraph examination administrationtravel to client locations in South Dakota and North Dakota

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