Vetting Research Services assists lawyers, law firms, business and other private investigators in making informed assessments and decisions by providing as much verified information as possible.  V.R.S. provides due diligence services to assist in legal, business and personal decisions. 

Our focus is not only on just what is located…but what also should be there.  An absence of information where specific information should have been present can be a telling fact.


Beginning in 1994, David Mack began working for two Rochester N.Y. based private investigators primarily conducting surveillance based insurance fraud investigations and to a lesser extent, litigation support investigations.  


In 2001, Mr. Mack was granted his own license and in 2003 began conducting business for himself primarily conducting surveillance and litigation support cases. 


In 2007 Mr. Mack formed, with two partners, the Risk Solutions Group based in Rochester and Long Island, N.Y.  The Risk Solutions Group focused on Insurance fraud cases, litigation support and due diligence investigations. 


In 2016 Mr. Mack parted ways with the Risk Solutions Group to focus on computer based, due diligence, open source intelligence focused investigations.   In 2016 Vetting Research Services (VRS) was formed with its primary focus on open source intelligence, internet based investigations using a combination of databases, OSINT / PEN-TEST software, custom search engines, browser add-ons and plug ins to assist in locating and extracting information relating to a subject.




We strive to locate what is black and what is white….and make the grey less grey.


Vetting Research Services strives to provide the most through and accurate internet based investigations through an ever adapting and evolving work process formula.  An overlapping combination of the following will be applied to each investigation:


  • Understanding of clients goals and specified areas of concentration.

  • Multiple paid and free access databases, both governmental and for profit.

  • Understanding and usage of OSINT information gathering principles, practices and techniques.

  • OSINT specific software.

  • Public records access.

  • Daily usage and familiarity of the Web 2.0, 3.0 and the Internet of Things.

  • Documentation and verification of located information.

  • Chain of custody if applicable.

  • Investigative mindset