Featured Articles

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.

Learn how Social Security Numbers are assigned

How Social Security Numbers are Assigned

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How Are Social Security Numbers Assigned? The purpose of this article is to help you understand how Social Security Numbers are assigned. In 2011, the Social...
Get a Private Investigator License

How To Get a Private Investigator License

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Learn How to Get a Private Investigator Licensing in any State This article provides an explanation of how to get a private investigator license in any...
How to get a police report

How to Get a Police Report

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What is a Police Report? People file a police report with law enforcement for a wide variety of reasons. For example, domestic disputes, traffic accidents,...
Cell phone tracker and Mobile phone spy software

Best Cell Phone Trackers and Mobile Phone Spy Software

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What is Mobile Phone Spy Software? Mobile Phone Spy Software is a hybrid software and monitoring service that is used to track caller activity on mobile...
private investigator research resources

Private Investigator Research Tools

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We compiled this list of private investigator research tools specifically for private investigators. However, the resources are useful for police officers, crime scene investigators,...
Background Check

Background Check Databases and Services for Investigators

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This article provides an overview of background checks and investigations and the companies that provide products and services. In addition, we'll cover the different...

Join the Private Investigator Directory and connect with potential clients who need investigative services all over the world. Promote your business services, your firm’s investigative expertise, drive traffic to your website and get more cases.

The Police and Law Enforcement section has a collection of helpful articles and blog posts related to law enforcement work. Here, you can learn what it takes to become a police officer and where to get the training and education you need. Plus, learn about the equipment, weapons and vehicles used by officers in the line of duty.

Find Someone Who is in Prison

How to Find Someone in Prison or Jail

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Starting Your Search If you need to find someone who is in prison, it is important to know exactly what type of facility they are incarcerated in. A prison, also known as a penitentiary or correctional facility is a place...
Police Officer Jobs

Law Enforcement Careers

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With increasing crime rates, and the need to keep security and order, police officer jobs and law enforcement careers are becoming more important every day. Law Enforcement officers are responsible for protecting people, property, and so on. In this...
Police Resources

Police and Law Enforcement Resources

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Before we get into the list of police resources, let's define what a police officer is. A law Police Officer (also known as a law enforcement officer, or a cop), is an employee who is assigned to the police...

Private investigators, law enforcement officers, and intelligence agents use a variety of computer software, online services, and mobile apps during the investigative process.

Private Investigator Software

Private Investigator Software

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Learn how to use Private Investigator Software and Online Services Technology plays a key role in any investigation business. Detectives use a combination of private investigator software such as online search tools, OSINT resources, computer software, and mobile apps to...
Cell phone tracker and Mobile phone spy software

Best Cell Phone Trackers and Mobile Phone Spy Software

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What is Mobile Phone Spy Software? Mobile Phone Spy Software is a hybrid software and monitoring service that is used to track caller activity on mobile devices, cell phones tablets, and computers. The software is designed to track devices owned by...
Case Management Software

Case Management Software

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This article provides an overview of legal case management and case management software. Case Management is the information management and workflow practices, procedures, and requirements used to manage legal cases, typically associated with the legal, health, and investigation fields....

Detectives in all industries use software programs like case management software, databases, productivity tools and more to help their agency operate more efficiently. In addition, professional detectives and intelligence agents use online services to conduct research, run background checks, and search public records databases, Then, the pull reports and analyze data to find missing persons and uncover the truth about people. Also, private eyes make heavy use of specialized applications (or apps) on their mobile devices to search for information on the go.

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 video cameras, binoculars and night vision goggles, audio listening devices, bugging and debugging equipment, drones and many more.

Binoculars and Night Vision Goggles

Binoculars and Night Vision Goggles for Surveillance

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This article provides an overview of binoculars and night vision goggles, sometimes abbreviated NVG, that can be used by private investigators for surveillance purposes. What are Binoculars? Binoculars, also known as field glasses or lorgnettes, are a pair of identical or...
Private Investigator Badges

Private Investigator Badges – The Top Suppliers

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Overview A badge is defined as a distinctive mark, token, sign, or emblem worn on one's clothing, which signifies a rank or membership in an organization. They are usually formed like a name badge and provide information about the organization, the role, and...
Hidden Cameras

Using Hidden Cameras and Nanny Cams to Capture Video Footage

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What is a Hidden Camera? A hidden camera is a still or video camera used to capture video footage of people without their knowledge or consent. The camera is "hidden" because it is not visible to the subject being filmed,...

Review the articles in our spy gear section to learn more about the types of suveillance 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.

If you’re a naturally curious snooper, you love information. Be sure to check out our extensive Lists of Lists category. You’ll find information such as a List of Social Networks (for social media checks), Lists of State Information, List of the best Search Engines for private eyes and more. The lists are for anyone who is interested in interesting facts and information, not just for those who are employed in professions related to the investigative industry.

List of Languages Spoken in the World

List of Languages

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This article provides a list of languages spoken around the world. What is Language? Language refers to a system of human communication that involves a series of sounds made with the mouth. This is also known as speaking or verbal communication....
List of Acronyms for Chatting and Texting

List of Acronyms for Chatting and Texting

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The world wide web was officially invented in 1989, by Tim Berners-Lee, a British scientist working at CERN, the European Organization for Nuclear Research. I've been using the internet in one form or another since 1992 and I consider...
List of Server Error Codes

List of Server Error Codes

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In this article, I'll provide a brief overview of server error codes. Plus, I'll provide you with a list of server error codes and their meanings. What is a Server Error Code? When a web browser requests a service from a...

Get a PI License

If you’re interested in becoming a private investigator, learn how to get a license with our state-by-state licensing guide. If you’re interested in pursuing an exciting career in the investigation industry, you’ll find everything you need to get started right here. Learn the state requirements, how to apply, how to join an association, where to get training and how to find more information.

Use our private investigator books to build your own library of reference and education materials about the industry. For example, our library includes an extensive selection of recommendations for how-to books, textbooks, reference manuals, audiobooks, true crime podcasts, and magazines. Leverage these helpful resource to learn new skills and techniques.

Training and Education

View our list of training and education resources. Whether you’re an experienced professional, or just getting started as an entry level associate, you’ll find a variety of investigation schools, academies, training classes, home study courses and distance learning programs. Learn the knowledge and skills you need to be private investigator and earn your degree, diploma or certificate. Plus, you’ll find educational resources include recommended books, study guides and exam preps.

A list of useful Open Source Intelligence (OSINT) tools and resources. Includes search tools to help you find public records, verify facts, search social media sites, reverse search images, uncover government data and more.

The United States Government has a wide variety of resources that are useful for private eyes. See our List of Government Agencies and U.S. Federal Regulatory Agencies.

Learn how to avoid becoming a victim of the latest fraud, scams and schemes. Learn what to look for, how to protect yourself and how to report crimes to the proper authorities.

As a private investigator, it’s important to keep in touch with what’s going on in the industry. Industry groups and associations regularly sponsor nationwide, regional and local conferences. The meetings and seminars are an excellent way to keep up with legislative changes that affect you. In addition, they are a great way to brush up on your skills, network with other private eyes and learn about new products and services. View a list of conferences.

We have a helpful collection of genealogy research resources for researching your family history, building a family tree, and tracking down your roots. We have links to research sites related to ancestry, heritage, DNA and historical records. Plus, we provide an overview of the best software and books and provide suggestions for looking up obituaries and how to find biographies. Visit the Genealogy section.

Search Public Records

Run an online public records people search 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.

New and Updated Articles

List of Phone Numbers for Hotels, Car Rental Agencies and Cruise Lines

List of Travel Phone Numbers for Hotels, Car Rental Agencies, and Cruise Lines

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Following is a list of travel phone numbers for hotels, car rental agencies, and cruise lines. The list serves as a handy reference guide for making travel arrangements or...
open source intelligence (OSINT) tools

Open Source Intelligence Tools (OSINT)

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What is Open Source Intelligence (OSINT)? Open Source Intelligence, often abbreviated as OSINT, is data and information that is collected legally from open and publicly available resources. Obtaining the information...
private investigator research resources

Private Investigator Research Tools

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We compiled this list of private investigator research tools specifically for private investigators. However, the resources are useful for police officers, crime scene investigators, forensic experts, and others who...

We recommend that all private investigators join and participate in a local, state or nationwide investigation association for a number of reasons. First, associations are a great way to stay on top of what’s going on in the profession. Second, they often provide members with access to training and education opportunities. So, you can continue to sharpen your skills. Also, they are a great way to network with others and create a referral network. View the list of investigation associations for each state.

Popular crime TV series, police dramas and detective shows have inspired many people to pursue exciting careers as police officers and work as professional private detectives. Check out our List of the Top 50 Best Crime TV Series and Detective Shows. For example, we have overviews of classic shows like Simon & Simon, Columbo, Baretta, Hawaii 5-0 and many more. Honestly, Magnum has always been our favorite.

Mobile Spy Software is software for covertly tracking the activity and location of a mobile phone or tablet. Most commonly, cell phone trackers are used by parents to keep an eye on their children. However, there is growing use among employers and suspicious spouses. Read our reviews of the best solutions such as mSpy, FlexiSpy, Highster Mobile and others.

Police detectives and private investigators leverage crime scene investigation techniques and forensic science techniques, tools and equipment to investigate crime scenes. In addition, these experts are knowledgeable in collecting, transporting and preserving crime scene evidence, data and information. Also, PI’s leverage forensic labs to analyze fingerprints, examine DNA evidence, and evaluate firearm ballistics data.

Learn how auditors, inspectors and examiners conduct official inquiries into financial matters. For example, our Financial Investigation section includes articles on Asset Search and Recovery, Credit Reports, Banking Information, Stock Market Research tools, cryptocurrency. Plus, we recommend relevant reference books and more.