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 with an interest in using investigative search tools, websites, OSINT, and databases to uncover data and information.

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 various reasons. For example, domestic disputes, traffic accidents, burglaries, home invasions, fraud,...
Find Someone Who is in Prison

How to Find Someone in Prison, Jail, or Correctional Facility

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Starting Your Search If you need to find someone in prison, it is essential to know in what type of facility they are incarcerated. A...
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 helpful for police officers, crime scene investigators,...
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 used to track caller activity on mobile devices, cell...
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...
Police 10 Codes

List of Police 10 Codes

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What are Police 10 Codes? Police 10 Codes are signals police officers, law enforcement officials, and government agencies use to talk in two-way radio communications....

Join the Private Investigator Directory and connect with potential clients who need investigative services all over the world. Use it to promote your business services, and 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.

Police 10 Codes

List of Police 10 Codes

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What are Police 10 Codes? Police 10 Codes are signals police officers, law enforcement officials, and government agencies use to talk in two-way radio communications. The codes are numbers that correspond to words, phrases, and messages frequently used in law...
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 various reasons. For example, domestic disputes, traffic accidents, burglaries, home invasions, fraud, theft, stalking, violence, and other reasons. To file a report, citizens usually call 911 or...
Police Body Cameras

Police Body Cameras: Do They Reduce Complaints of Officer Misconduct?

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In today's technologically savvy age of the smartphone, almost anyone can record and share live video footage of events in real-time. The question of on-duty police officers using body-mounted cameras to capture incidents as they unfold continues to be...

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

Private Investigator Software

Private Investigator Software

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Learn how to use Private Investigator Software, Apps, 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...
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 used to track caller activity on mobile devices, cell phones, tablets, and computers. The software is designed to track devices owned by the user....
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, they 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.

surveillance equipment

Surveillance Equipment and Spy Gear for Investigations

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Surveillance equipment includes any equipment, gadget, or device used to conduct various types of surveillance, counter-surveillance, and investigations. The equipment is most often used to perform surveillance. Surveillance involves observing the behavior of a particular person or persons, usually from a...
Audio Amplifiers

Audio Surveillance Equipment for Investigators

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Overview of Audio Surveillance Tools Audio surveillance equipment is used by intelligence agencies, law enforcement, and private investigators to monitor and record subjects in a variety of settings. Audio surveillance can be conducted from a distance using covert listening devices...
How to find Hidden Cameras

How to Find Hidden Cameras and Electronic Bugs

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This article explains how to find hidden cameras and covert video and audio recording devices. Hidden cameras and video recording devices are used to capture photos and video footage of people without their knowledge. This is done for both...

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.

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, a 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 Social Media Networking sites

List of Social Media Networks

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Before we get to the list of Social Media Networks, let's define what they are. Social networking websites allow you to connect and interact with a network of other people through personal websites, weblogs, online chat, photo sharing, discussion...
best web hosting providers

List of the Best Web Hosting Providers

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As a private investigator, you may get cases related to investigating the ownership or use of particular websites. As such, it is important for detectives to understand the basics of web hosting, the place where websites are stored. So,...
List of major newspapers

List of Newspapers and Online Publishing Companies

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Newspapers can be a great resource for private investigators, detectives, and genealogists. This article provides a list of newspapers and suggestions for using newspapers to conduct research for investigations. What is a Newspaper? Some people may not know what a newspaper...

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 resources 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 a professional private investigator and earn your degree, diploma, or certificate. Plus, you’ll find educational resources including 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

Investigating social media profiles

Investigating Social Media Accounts and Profiles

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What information can you gather by investigating social media accounts? Social media is a powerful tool that can be used to connect people with similar interests, promote events, and share...
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 helpful for police officers, crime scene investigators, forensic experts, and others who...
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 explains how to get a private investigator license in any state in the United States of America. For example,...

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 true 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 interest and use among employers and suspicious spouses. Please read our reviews of the best phone monitoring solutions. Examples include 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, PIs 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, and cryptocurrency. Plus, we recommend relevant reference books and more.