Welcome to Diekman Polygraph Inc.!
Note: Diekman Polygraph Inc. administers polygraph examinations at the Carnation Building, 117 N. 1st Street, Mt. Vernon, WA 98273.
Rob graduated with a bachelor's degree in human services from Western Washington University, Bellingham, WA, in 1996. From October 1997 until January 2016, Rob was employed as a Community Corrections Officer. Rob has years of experience handling various types of investigations, testifying in court and disciplinary hearings, working with attorneys, police, victims, high-risk violent, sex offenders, treatment providers, and the general public. Rob has approximately 4 years of experience facilitating a cognitive behavioral therapy program known as Moral Reconation Therapy (MRT), and 4 years facilitating the cognitive behavioral intervention class, Thinking for a Change (T4C).
In 2011, Rob graduated from the Marston Polygraph Academy, which is accredited by the American Polygraph Association. Following graduation, Rob completed the Post-Conviction Sex Offender Testing (PCSOT) course and is a certified PCSOT examiner. Rob has experience conducting polygraph examinations for city, county, state and federal agencies, and private citizens.
Diekman Polygraph Inc. is dedicated to providing you the customer, with accurate results, professional reports and the highest level of customer service.
Rob is a member of the American Polygraph and the Northwest Polygraph Associations.
Diekman Polygraph Inc. is licensed (business) and insured in the State of Washington.
Email: robdiekman@yahoo.com
Phone: (360) 672-0355
In 2011, Rob graduated from the Marston Polygraph Academy, which is accredited by the American Polygraph Association. Following graduation, Rob completed the Post-Conviction Sex Offender Testing (PCSOT) course and is a certified PCSOT examiner. Rob has experience conducting polygraph examinations for city, county, state and federal agencies, and private citizens.
Diekman Polygraph Inc. is dedicated to providing you the customer, with accurate results, professional reports and the highest level of customer service.
Rob is a member of the American Polygraph and the Northwest Polygraph Associations.
Diekman Polygraph Inc. is licensed (business) and insured in the State of Washington.
Email: robdiekman@yahoo.com
Phone: (360) 672-0355