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.

surveillance equipment

Surveillance Equipment for Investigations

Surveillance equipment includes and any equipment, gadget or device that is used to conduct various types of surveillance, counter-surveillance and investigations. The...
open source intelligence tools

Open Source Intelligence Tools

What is Open Source Intelligence? Open Source Intelligence, often abbreviated as OSINT, is data and information that is collected...


Search billions of public records and databases online to check out someone’s background and find out the real truth. Learn how 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.

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.

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.
Mobile phone spy software

Best Mobile Phone Spy Software Apps for Tracking Cell Phones

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...

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 for Investigations

Surveillance equipment includes and 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 a...
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...


BeenVerified People Search

People Search with BeenVerified Online Public Records

This article provides a review of BeenVerified, the online people search and public records research service. In this review, I'll provide a...
open source intelligence tools

Open Source Intelligence Tools

What is Open Source Intelligence? Open Source Intelligence, often abbreviated as OSINT, is data and information that is collected...
Asset Investigation

Asset Investigations

The main purpose of an asset investigation is to identify the tangible and intangible assets owned by an individual or business. Asset...


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.


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 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. The articles in our Government Resources section include overviews of intelligence and law enforcement agencies, reference books and links to govt websites.

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

New and Updated Articles

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 email newsletters

List of the Best Email Newsletters

This article provides a list of the best email newsletters. I decided to...
investigation news headlines

Investigation News Headlines

Get the latest investigation news headlines, stories, articles and announcements related to the...
List of Major League Baseball Teams

List of Major League Baseball (MLB) Teams

This article provides a list of Major League Baseball teams along with a...
facebook search tools

Facebook Search Tools and Resources

This article provides an overview of various Facebook Search Tools that can be...

Popular crime TV series, police dramas and detective shows have always inspired 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. What’s your favorite?

Mobile Spy Software is used to track the activity and location of a mobile phone or tablet. The software is used by concerned parents, employers and suspicious spouses. Read our reviews of the best solutions such as FlexiSpy, Highster Mobile, etc.

Police detective and private investigators leverage crime scene investigation techniques and forensic science tools to investigate crime scenes. Learn about evidence collection, ballistics, DNA lab testing, fingerprinting and more.

Learn how auditors, inspectors and examiners conduct inquiries into financial matters. Articles include: Asset Search and Recovery, Credit Reports, Banking Information, Stock Market Research tools, books and more.

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.

Whether you’re researching your family history, building a family tree, or tracking down your roots, use our list of recommended genealogy research tools and resources. We have links to helpful sites related to ancestry, heritage, DNA and historical records. Plus, we provide an overview of the best software and books to help you learn from the experts. Also, we have suggestions for looking up obituaries and how to find biographies.

Visit the Genealogy section.

We recommend that all private investigators join and participate a local, state or nationwide investigation association for a number of reasons. First, associations are a great for staying on top of what’s going on in your 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.