Reliable Service, From a Proven Source

Work with a private investigator who has over 31 years of experience with the Michigan State Police, in addition to over 10 years of service on the American Polygraph Association Board of Directors.

Need answers?

An experienced detective who can conduct private investigations

Get to the truth

Schedule a polygraph exam with a two-time APA President

Services are available

Call for reliable polygraph and investigative services: 989-745-1912

Endorsed by members of the Michigan State Police and the American Polygraph Association for polygraph and investigative skills

Offering Polygraph and Investigative Services

Get to the Truth

Polygraph Examinations

Get the truth with your privately administered polygraph examination.

Private Investigations

Investigative Services

Call or email for investigative services from an experienced detective.

Why You Should Hire James B McCloughan

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Expert Detective

Investigative services are backed by 31+ years of experience with the Michigan State Police

Services are 100% Confidential

Your cases stay between you and Trueline Polygraph and Investigation LLCs

Marin Protocol Ceritifed

Very few possess this certification

Hire Us, Get to the Truth

Do You Have Questions About Services?

  • What services do you provide?
  • What do you charge for services?
  • Why should I choose Trueline Polygraph and Investigations LLC?

    James B McCloughan is endorsed by colleagues of the Michigan State Police and the American Polygraph Association for his skills in polygraph and investigations.

  • How can I learn more?