Home Private Investigator, Detective, Police Officer & Legal Research Resources

Private Investigator, Detective, Police Officer & Legal Research Resources

eInvestigator.com is a resource website for private investigators, detectives, police officers, crime scene investigation experts, security specialists, legal professionals and those in related professions. Our website offers an extensive collection of helpful research tools, how-to articles and reviews. To get started, we recommend that you start with our Private Investigator Research Tools page.

If you need to hire a P.I., please visit our international directory of private eyes and agencies. There, you’ll find lists of local professionals who can help with a broad range of investigative needs. In our software and online services section, you’ll find a variety of useful software apps and programs that can be used for searching databases, running background checks, running your business and more. Plus, we have reviews on spy gear and hi-tech electronic equipment that can be used for electronic surveillance. If you need to sharpen your skills, check out our training and continuing education materials, product reviews and more. If you’re an aspiring private eye, find out how to become a licensed private investigator.


This section includes articles and information related to law enforcement officials and the duties of police officers. You’ll find information related to how to become a police officer and start a career in the field, where to go for training and education, the equipment and vehicles used in the line of duty, and much more.

Computer software, mobile apps and online search services play a major role in the modern private eye’s business. Investigators use programs like case management to manage all of the information, data and materials related to a particular case. They use online services to conduct research, run background checks, search databases and pull reports and data to find missing persons and uncover the truth about people. And detectives make heavy use of specialized applications (or apps) on their mobile devices to search for information on the go.

Spy gear for detectivesProfessional investigative work requires the use of hi-tech equipment and electronic gadgets to perform surveillance, capture video and photos of subjects, check for electronic bugs, and more. Experts use a variety of tools in their missions to capture the evidence needed to solve criminal and civil cases alike. Check out the articles in this section to learn more about the best tools and how to use them to help solve more cases. Visit the Spy Gear section.

Background investigations, employment verification and work history checks are some of the most commonly requested services handled by private investigators. Learn how to find the truth about people by compiling data and information into reports and dossiers for your clients.

The United States government has a wide variety of resources that may be helpful to sleuths of all kinds. U.S. Intelligence Agencies such as the Central Intelligence Agency (CIA) and the National Security Agency (NSA) and investigative departments such as the Federal Bureau of Investigation (FBI) and even the Secret Service can be resources for gumshoes. Visit our Government Research section to learn more about how to leverage these helpful resources.

magnum pi on dvdMany people get their original inspiration to become a private eye from watching crime dramas and investigation series on TV. Gumshoes like Columbo, Jim Rockford and Magnum P.I. made the profession look like a desirable career for anyone. And the more modern shows like Law & Order and NCIS inspired a new generation of crime scene investigation specialists to pursue a career in putting criminals behind bars. Check out our TV Crime Drama Series section for overviews of a wide variety of TV series, both old and new available on DVD.

There are numerous books and reference manuals available on Amazon.com that provide detailed information on every aspect of investigative work. Private eyes should leverage the information in books to help expand their understanding and skills on a variety of specialty areas and to build a library of reference materials for future use. And if you’re inspired by detective crime stories, or simply enjoy a good fiction novel, there are a huge number of quick reads available. Check out our P.I. Training Books section for more info.

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