eInvestigator.com is an online research and education resource for professional private investigators, detectives, police officers, skip tracers, process servers, and security experts. It’s also an excellent resource for anyone interested in using investigative search tools, websites, open-source intelligence (OSINT), and pubic and private databases to uncover data and information.
Featured: Investigation Articles
Explore our library of over 400 articles on private investigation, law enforcement, and related fields. 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. Explore resources that cover techniques, legal aspects, and more to support your journey.
Find Someone Now
Learn how to use online public records databases to find addresses, phone numbers, associated persons, driving history, employment info, and more.

An Investigator’s Guide to BeenVerified: A Deep-Dive Analysis for Professionals
This review of BeenVerified highlights its role as a public records search service offering people searches, background checks, and reverse lookups via web and mobile apps. Founded in 2007, BeenVerified aims to simplify public data access. Its benefits include convenience, privacy, affordability, and tools for personal safety and information validation.

Surveillance Equipment and Spy Gear
Some cases require the use of high-tech surveillance equipment, sometimes referred to as spy gear. Sleuths and gumshoes who provide surveillance services must be familiar with various electronic gadgets, such as covert video cameras, binoculars, night vision goggles, audio listening devices, bugging and debugging equipment, drones, and more.

Investigation Software, Apps, and Online Services
Private investigators and law enforcement professionals rely on investigation software, online tools, and mobile apps to uncover critical information and solve cases. They also use case management systems, public records databases, and productivity tools to conduct research, run background checks, analyze data, and locate missing persons.

Online Public Records Search
Learn how to access and search online public records databases to discover the truth about anyone. Utilize online databases and OSINT websites to locate an old friend, reconnect with a lost love, or track down a missing person. Skip tracers can also look up addresses and phone numbers, locate associated individuals, check driving records, verify educational 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. Parents use cell phone trackers to monitor their children’s areas, web browsing activity, and chat messages. There is also growing interest and use among employers and suspicious spouses.
Read our reviews of the top phone monitoring solutions, including Appmia, mSpy, FlexiSpy, and Highster Mobile.
Search Public Records Databases
Search billions of public records to locate people, find addresses, look up phone numbers, identify associated individuals, view driving history, access employment information, and more.
Training & Education
Sharpen your skills with our investigation learning resources.
Discover our comprehensive training and educational resources, designed 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 practical Open Source Intelligence (OSINT) tools and resources. Our list of OSINT research websites includes search tools and reference databases to help you locate public records, verify facts, explore social media sites, reverse image search, uncover government data, and more.
TV Detective and Police Series
Influential true crime TV series and police dramas inspire many to pursue 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
Enhance your investigation with our recommended private investigator books. You’ll find reviews of how-to books, textbooks, reference manuals, audiobooks, true crime podcasts, and magazines. Acquire new skills and techniques to enhance 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.
Jobs & Careers
Learn how to start an exciting career as a private investigator.
Start your journey as a private investigator with our curated collection of reference articles designed for beginners. Explore essential topics, including required skills, training programs, licensing requirements, and industry-specific tools. Whether you are considering this exciting career or are ready to take the first steps, these resources provide the guidance and knowledge you need to succeed.
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, acquiring essential equipment, and establishing a website and social media presence. Joining directories and industry associations can enhance networking and referrals, ultimately leading to 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 about the job conditions, state requirements, how to apply, joining an association, obtaining 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 increase 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, as well as opportunities to network with fellow detectives and industry experts. They also have the chance to build business connections and referrals, which helps grow their practice.