Expert blogs and articles to keep you on the leading edge of investigations and intelligence work.

Timely Tips for the OSINT Pro

Timely Tips for the OSINT Pro

April 18, 20222 min read

The ability to uncover information on the internet is the primary skill of an online investigator. There are hundreds of thousands of surface, deep, and dark websites, but which are most pertinent to your unique case? Do you know how to utilize Google to its full potential?  With new social media platforms coming online at a rapid pace, capturing leads and evidence in social media networks is more complex than ever. Do you know the latest tools of the trade?

Hg’s OSINT Tips of the week provides you with the latest intel how to be most effective in our tradecraft. We are always looking for new tools, so don’t hesitate to let us know if you  have one you’d like reviewed in a future post!


This week, our Timely Tips overview two nonprofit investigative resources. These platforms can be valuable for Due Diligence activity—uncovering vast amounts of revealing tax information. Come on, it’s time to dig in.

Due Diligence:

Citizen Audit logo is a full-text, searchable database of all available nonprofit Form 990s. It provides 15 years of disclosures, such as tax documents, for every public charity in America.’s three main functions are keyword searches in any available tax documents, alerts for the latest filed documents, and customized lists of nonprofits, profiles, and documents. A .pdf version of each Form 990 is also available for download. With this, the user can browse information such as the principal officer’s name/address/phone numbers, fiscal sums, and potential signatures. The information on is available to the public free of charge.

citizen audit site


Due Diligence:

propublica logo

ProPublica is a nonprofit news source produced by investigative journalists. Hidden within ProPublica’s Website is their Nonprofit Explorer interactive database. This database consists of three million tax returns from tax exempt organizations dating back to 2001. The Nonprofit Explorer has two great features in comparison to similar databases such as or Using ProPublica’s database, you can view Form 990s free of cost and search by people in addition to the organization.

propublica site

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