Kass Research Group, LLC

Investigations & Media Powered by Investigative Journalism

  • Casework: Obtain court files, locate medical and other records, photograph evidence and crime scenes... more >>

  • Media
    : Outreach to local and national media. Researched cold case files for national television... more >>

  • People
    : Locate and interview witnesses. Background checks including criminal history, news articles... more >>

Kass Research Group, LLC

A full-service investigative firm bringing 20 years of award-winning journalism experience to finding people and information.

Proven results:

  • Locating potential witnesses in a 10-year old murder case.
  • Finding prison logs in a 40-year old double homicide.
  • Interviewing people in Mexico.
  • Interviewing people in prison.
  • Gathering medical records, and obtaining out of state court cases.
  • Interviewing in Spanish, and Spanish document translation.


Our clients include attorneys, businesses and individuals on civil, criminal and other matters.


We don’t stop until we get answers.


Colorado Office of Alternate Defense Counsel Approved Investigator

PO Box 7056, Denver, CO 80207 jeffkass@thekassgroup.com 303-518-9905
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