Private Investigator and Police Officer Resources

eInvestigator.com is an online research and education resource for professional private investigators, detectives, police officers, process servers, and security experts. Also, it’s a great resource for anyone interested in using investigative search tools, websites, OSINT, and databases to uncover data and information.

Featured: Investigation Articles

Explore our library of over 400 articles on private investigation and law enforcement. Whether you’re a professional, an aspiring investigator, or simply curious, you’ll find practical tips, insights, and knowledge to deepen your understanding of this fascinating field. Discover resources covering techniques, legal aspects, and more to support your journey.
Featured, Investigation Software & Apps

How to Delete Your Personal Information from the Internet

DeleteMe data removal tool
Featured, TV Crime Shows on DVD

Bosch TV Series on Amazon Video

Bosch TV Series
Featured, Private Investigator and Police Officer Resources

Private Investigator Research Tools

private investigator research tools
Background Checks and Searches, Featured

BeenVerified Background and Public Records Search

BeenVerified background check
Featured, Investigation Software & Apps

Private Investigator Software

Private Investigator software

Find Someone Now

Learn how to use online public records databases to find information such as addresses, phone numbers, associated persons, driving history, employment info, and more.

BeenVerified background check

BeenVerified Background and Public Records Search

This article is a review of BeenVerified, the online people search, background search, and public records research service. In this review, I’ll provide a high-level overview of the company, the features and benefits of its public records search services, discuss … Read more

Sharpen your skills with our investigation learning resources.

Explore our training and educational resources for both seasoned professionals and entry-level associates. Discover investigation schools, academies, training classes, home study courses, and distance learning programs. Acquire the essential knowledge to become a professional private investigator.

Open Source Intelligence (OSINT) Tools

An ever-growing list of useful Open Source Intelligence (OSINT) tools and resources. Our list of OSINT research websites includes search tools and reference databases to help you find public records, verify facts, search social media sites, reverse search images, uncover government data, and more.

TV Detective and Police Series

Influential true crime TV series and police/dramas inspire many to embark on careers as police officers or professional private detectives. Explore our compilation of the Top 50 Best Crime TV Series and Detective Shows, featuring insightful overviews of classics such as Columbo, Barney Miller, Magnum P.I., and more.

Books, Podcasts, and Audiobooks

Expand your investigation reference and educational materials with our recommended private investigator books. You’ll find reviews of how-to books, textbooks, reference manuals, audiobooks, true crime podcasts, and magazines. Learn new skills and techniques for your journey in the field.

Lists of Lists

If you’re a naturally curious snooper, you love information. Be sure to check out our extensive Lists of Lists category. You’ll find lists to help you with online investigations, fact-finding, and general research, such as Search EnginesSocial NetworksOpen Source Intelligence, and more.

Explore equipment and software solutions for your detective agency

Review the articles in our spy gear section to learn more about the types of surveillance tools and electronic equipment a private investigator might use to catch a cheating spouse, track down a missing person, and gather information for a case.
Essential Equipment for Surveillance

Surveillance Equipment and Spy Gear

Some cases require the use of hi-tech surveillance equipment, sometimes referred to as spy gear. Sleuths and gumshoes who provide surveillance services need to be familiar with a wide range of electronic gadgets. For example, devices such as covert video cameras, binoculars and night vision goggles, audio listening devices, bugging and debugging equipment, drones, and many more.
Case management software

Investigation Software, Apps, and Online Services

Private investigators and law enforcement professionals rely on software, online tools, and mobile apps for efficient investigations. They use case management systems, public records databases, and productivity tools to conduct research, run background checks, analyze data, and locate missing persons, leveraging technology to uncover critical information and solve cases.
List of the best search engines

Online Public Records Search

Learn how to access and search online public records databases and find out the real truth about anyone. Learn how to search online databases and OSINT websites to track down an old friend, reconnect with a lost love, or find a missing person. Look up addresses and phone numbers, find associated persons, check driving history, verify education credentials, and more.
Mobile phone spy software

Mobile Phone Trackers and Spy Software

Mobile Spy Software apps help investigators covertly track the activity and location of a mobile phone or tablet. Also, parents use cell phone trackers to monitor their children’s location, web browsing activity, and chat messages. Plus, there is growing interest and use among employers and suspicious spouses.


Read our reviews of the best phone monitoring solutions like Appmia, mSpy, FlexiSpy, Highster Mobile, etc.

Learn how to start an exciting career in the investigation industry.

Start your journey as a private investigator with our curated collection of reference articles designed for beginners. Explore essential topics such as required skills, training programs, licensing requirements, and industry tools. Whether you’re considering this exciting career or ready to take the first steps, these resources provide the guidance and knowledge you need to succeed in the field.

Learn how to set up a Detective business

Starting a private investigation business begins with obtaining the necessary state licensing. Key steps include meeting business and insurance requirements, setting up an office or home workspace, purchasing essential equipment, and establishing an online presence through a website and social media. Joining directories and industry associations can boost networking and referrals, ensuring long-term success.

Learn how to get a license

Interested in becoming a private investigator? Learn how to get a license and pursue an exciting career in the investigation industry. Learn the state requirements, how to apply, join an association, get training, and more.

Join our Directory of Investigators

Join our Private Investigator Directory to promote your business services and investigative expertise. Connect with potential clients and get more cases. Build your online presence and get more website traffic and social media followers.

Join an Industry Association

Joining a local, state, or national investigation association offers valuable benefits, including staying informed about legislative changes affecting the industry. Members gain access to training and professional development, opportunities to network with fellow detectives and industry experts, and the chance to build business connections and referrals to grow their practice.