Lone Rock Investigations is a Montana-based private investigation and process serving company.  We are committed to providing prompt, professional, discrete and objective-minded services to our clients.   We do this by focusing on timely, honest and effective communication and by keeping the interests of our clients at the forefront of the services we provide.

About Lone Rock Investigations

My name is Chris Hickman and I am the sole owner and operator of Lone Rock Investigations.  I am a licensed Private Investigator and Process Server.  I operate out of Great Falls but am available to work throughout the state of Montana.


I hold a Bachelor of Science Degree in Sociology from Montana State University.  I obtained the Basic, Intermediate and Advanced Peace Officer certifications.  I received certifications in Mid-Level Supervsion, Instructor Development, DEA Basic and Advanced Drug Investigator as well as Clandestine Laboratory Technician and Clandestine Laboratory Site Safety Officer.  I have attended a number of courses in all fields of investigations to include interviewing and interrogation, evidence recovery, surveillance and other areas that aid in the field of private investigations.

Law Enforcement

I served with the Great Falls Police Department for 31 years in a variety of functions to include Accident Investigatior, Patrol Officer, Patrol Supervisor, Community Police Supervisor, Media Liason, Narcotics Investigator and Task Force Commander.


I received extensive training and experience as a peace officer with the Great Falls Police Department.  I conducted thousands of investigations ranging from low level misdemeanor offenses to homicide.  I have testified in hundreds of criminal, civil and family court cases.  I have written search warrant affidiavits and executed hundreds of search warrants and am well versed in the field of criminal and civil matters.  My experiences provide a unique advantage to my clients.  Thanks to my career as a law enforcement officer, I have built many positive relationships with members of the legal community throughou the state.

Our Promise

I promise to be thorough and discreet in all my cases. Above all, I realize that all clients have individuals needs and objectives. Therefore, I feel it is important to keep lines of communication open. I am not only licensed private investigator but am also a licensed process server. Additionally, I am also able to deliver civil process on behalf of clients.

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Ethical Practice

Lone Rock Investigations, Montana Private Investigator and Process Server, that prides itself on honesty and integrity. Therefore, I will be fair and remain compliant with the law. As a result, I will follow the private investigation industry best standards. This insures results are founded on the basis of thorough and ethical principles. Lone Rock will not, accept every case offered to them, therefore remaining selective with case acceptance.

Flexible Hours

The nature of this type of work requires flexibility in terms of availability both in answering the phone. Being able to serve the client during “off” hours is important. Therefore, I welcome calls “after normal business hours”. I take pride in providing good customer service to my clients. I understand not everyone will be available to talk during the day. Subsequently, If I miss your call, I am usually able to call back within an hour.

Affordable Fees

Fees are in line with the current market. Therefore, it is essential clients remain aware they receive customized attention to their cases. They are billed appropriately and fairly. In return clients receive documentation in support of the billable fees. I also understand some clients have a financial restriction that requires flexibility. In this case, the situation will be considered on a case by case basis. For this reason, I sometimes donate investigative hours.


Lone Rock Investigations is owned and operated by Chris Hickman. We have no other employees. Therefore, I insure the client receives personal and detailed service. I believe that maintaining constant communication with a client is crucial. Consequently, the client receives maximum return on their investment. With a single owner/operator, the client knows the work is personal and not farmed out to other employees or investigators.

Our Licenses

Lone Rock is licensed, bonded, and insured.

Private Investigator license number (PSP-PI-LIC-26798)

Process Server License Number (PSP-PSV-LIC-26750)

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