private investigations

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About Us

E.R.S. was established in 1992 by Jim Lane, a retired Flint Police Officer and David Sallay, a former teacher and now a retired Genesee County Deputy Sheriff. E.mployment R.esearch S.ervices Investigative Agency began by doing Pre-employment background investigations for business. We have since evolved into a full services professional investigative agency with associates in Michigan, nationally, and internationally. We offer personalized consultations to fit our client's individual needs. We work with you. All consultations are totally confidential. We tailor an investigation to help you, just you. We provide a friendly environment for you to discuss your problems or vent your frustrations.

We have recently added cell phone forensics (text, pix, email etc when possible) and computer hard drive (image) downloads for our clients.

Please call to schedule an appointment.


Our investigative services are all backed by experience, training and meticulous attention to detail. Our full line-up of services includes:


Discreet, persistent surveillance performed by investigators who know precisely what to look for and which evidence to gather.

Public Records Search

Rapid location of the information you require through targeted searches of selected public records resources.

Infidelity/Cheating Spouse Investigations

Thorough investigations to confirm or alleviate suspicions that a spouse or significant other is cheating.

Polygraph/Lie Detector

Highly accurate polygraph testing to determine whether a person is being truthful.

Asset Search

Comprehensive asset investigations to determine which assets an individual or business possesses.

Background Check

In-depth examinations of the subject’s background to verify employment qualifications, check criminal backgrounds, investigate potential spouses and more.

People Locate/Skip Trace

Location of missing or hard-to-find persons using online searches, surveillance or any other methods the case requires.

Computer Forensics

Discover proof of suspicious activity on your computer and resurface hidden data and deleted emails.

Cell Phone Forensics

Recovery of hidden or deleted data, photographs, texts, GPS and other cellular information.

Process Serving

Delivery of legal court documents to notify an individual or party of their involvement in a legal proceeding.

Frequently Asked Questions

If you have a question about investigations, chances are that many people have asked the same question before you. Here are answers to some of the questions we hear often:

What is a private investigator?

A private investigator is a professional who is employed to collect intelligence and verify or discredit information. Many professional investigators possess law enforcement backgrounds or other experience and education that they leverage to investigate and research.

Why hire a professional private investigator?

Professional private investigators are adept at analyzing a situation and finding the best starting point. From there, they rely on experience, knowledge, and technology to uncover information and follow the trail of evidence wherever it leads. Investigators are trained in legally and ethically obtaining information which they present in a manner that is admissible in court.

Instead of trying to investigate on your own and risking legal trouble or other problems, or hiring an unqualified person, trust your investigation to a qualified, experienced professional.

What qualifications should an investigator have?

Requirements for private investigators vary from state to state. Many states require licenses, insurance, continuing education or other credentials, or a combination of those things. When hiring an investigator, you should make sure the person has the required credentials in the area where the investigation will take place.

How to work with an investigator

After you choose an investigator to handle your case, the professional will typically consult with you to learn more about the situation. Any information you can provide will give the investigator a good idea of where to begin. As the case progresses, the investigator should provide you with detailed status updates to let you know what is happening. At the conclusion of the case, the investigator will present you with a report that contains relevant information and evidence obtained during the investigation.

We’re always available to answer your questions, so please contact us if you need more information about investigations.

Areas of Coverage

  • Statewide
  • National
  • Worldwide


  • Michigan Council of Professional Investigators
  • I.S.P.L.A - Investigative & Security Professionals for Legislative Action
  • NAIS - National Association of Investigative Specialists
  • PInow

Payment Options

  • Visa
  • Mastercard
  • Discover
  • American Express

Contact Us

Contact ERS Investigative Agency today with any questions, inquiries, or work requests. Call us at (810) 767-0393 or fill out our form.


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