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.
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 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
Training & Education
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 Engines, Social Networks, Open Source Intelligence, and more.
Investigation Equipment & Software
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.

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.

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.

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 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.
Jobs & Careers
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.





