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eInvestigator.com is an online resource for professional investigators, police officers and detectives, process servers, security experts and anyone interested in using online tools, websites and databases to uncover information.

private investigator research resources

Private Investigator Research Tools

We compiled this list of private investigator research tools specifically for private investigators....
BeenVerified Background Check

BeenVerified Background Checks and Public Records Search

This article provides a review of BeenVerified, the online people search and public...
Federal Regulatory agencies

Federal Regulatory Agencies of the United States Government

What are Federal Regulatory Agencies? Federal regulatory agencies are the...
Background Check

Background Check Databases and Services for Investigators

This article provides an overview of background checks and investigations and the companies...
Police 10 Codes

List of Police 10 Codes

What are Police 10 Codes? Police 10 Codes are signals...
Get a Private Investigator License

How To Get a Private Investigator License

Learn How to Get a Private Investigator Licensing in any State

Search Public Records

Run an online public records people search and find out the real truth about anyone. Learn how to search online databases to track down an old friend, reconnect with a lost love or find a missing person.

Join the Private Investigator Directory and connect with potential clients all over the world. Promote your services, drive traffic to your website and get more business.

The Police and Law Enforcement section has a collection of helpful articles related to law enforcement work. 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.

How to get a police report

How to Get a Police Report

What is a Police Report? People file a police report with law enforcement for wide variety of reasons such as: domestic disputes, traffic accidents, burglaries and home invasions, fraud, theft, stalking, violence, and many other...
police training

Police Training

This article provides an overview of police training an provides a list of companies that provide training to the law enforcement industry. Whether you're interested in becoming a police officer, or you already work in the field,...
List of Vehicles used by Police Officers

Police Vehicles

Police officers rely on a wide variety of high performance vehicles to ensure they can effectively respond to various situations in an appropriate and timely manner. These police vehicles are designed to provide officers with an effective...

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

Learn How Private Investigators Use Software Technology plays a key role in any investigation business. Detectives use a combination of online search tools, computer software and mobile apps to support many aspects of investigations.
Cell phone tracker and Mobile phone spy software

Best Cell Phone Trackers and Mobile Phone Spy Software

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...
Case Management Software

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. As attorneys, law firms, and private investigators compete for clients, they...

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, search public records databases and pull reports and 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 such as video cameras, binoculars and night vision googles, audio listening devices, bugging and debugging equipment, drones and many more.

surveillance equipment

Surveillance Equipment and Spy Gear for Investigations

Surveillance equipment includes any equipment, gadget or device that is used to conduct various types of surveillance, counter-surveillance and investigations. The equipment is most often used to perform surveillance, which involves observing the behavior of...
Audio Amplifiers

Audio Surveillance Equipment

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...
How to find Hidden Cameras

How to Find Hidden Cameras and Electronic Bugs

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...

Review the articles in our spy gear section to learn more about the types of tools 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 natural snooper like me, you love information. Be sure to check out our extensive Lists of Lists category. You’ll find information such as List of Social Networks (for social media checks), List of State Information, List of 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 Presidents of the United States

List of Presidents of the United States of America

This article provides an overview of the Responsibilities of the President and provides a list of Presidents and Vice Presidents of the United States. Roles & Responsibilities of the American President
List of Constitutional Amendments

List of Constitutional Amendments to the United States Constitution

This article provides an overview of amendments and provides a list of constitutional amendments. First, we'll define amendments and then provide the full list. If you have any questions, please post a comment below.
list of the best search engines

List of the Best Search Engines

This article provides an overview of search engines and a list of the best search engines. An internet search engine is a searchable online database of internet resources, websites and information. A typical web search engine has several...

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. The library includes an extensive selection of how-to books, textbooks, reference manuals and magazines to help you learn new skills and techniques.

Training & 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. Includes 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 helpful sites related to ancestry, heritage, DNA and historical records. Plus, we’ll 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.

New and Updated Articles

Crosstrax Case Management

CROSStrax Case Management Tool for Private Investigators

This article provides an overview of CROSSTrax, a case management software tool for private investigators. First, I'll provide a general overview of the private investigator software features....
best web hosting providers

List of the Best Web Hosting Providers

This article provides an overview of the different types of hosting and a list of the best web hosting providers. In addition, I'll provide a brief overview...
List of DMV Offices

List of Department of Motor Vehicle (DMV) Websites

Before we get to the list of DMV offices, let's talk about the DMV, which stands for Department of Motor Vehicles. The Department of Motor Vehicles is...

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 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 used to track the activity and location of a mobile phone or tablet. Most commonly, cell phone trackers are used by concerned parents, 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, they a knowledgeable in collecting, transporting and preserving crime scene evidence, data and information. Also, they leverage labs to analyze fingerprints, examine DNA evidence and evaluate ballistics.

Learn how auditors, inspectors and examiners conduct 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, books and more.