Our Team
Decades of combined law enforcement, public safety, and open-source intelligence experience, working every case.
Don DiStefano
Don is a retired Detective-Sergeant from Vallejo, California, specializing in homicide and suspicious-death investigations, and recognized as a Subject Matter Expert by the California Commission on POST. He served on multiple specialized units, including the Hostage Negotiations Team and the Solano County Sex Offender Task Force.
He relocated to Connecticut in 2005 and currently serves as Captain and Director of Investigations at Quinnipiac University’s Department of Public Safety (since 2008), where he sits on the Threat Assessment Team and teaches Active Assailant Awareness. Don founded Madison Investigative Services in 2011, bringing over 40 years of combined experience in law enforcement and higher education public safety to every case the firm takes on.
- U.S. Marine Corps veteran (Military Police)
- B.A., Management — Saint Mary’s College of California
- M.A., Organizational Leadership — Quinnipiac University
- President, Connecticut Private Investigators Association (elected 2022)
- Certified Computer Voice Stress Analysis (CVSA) interviewer, 10+ years
- Team ADAM member — National Center for Missing & Exploited Children (NCMEC)
- Investigative consultant — HBO’s Murder on Middle Beach (2020) & Netflix’s This Is the Zodiac Speaking (2024)
Camille Powell
Camille is an Open-Source Intelligence (OSINT) specialist with several years of desktop research experience, harvesting data from public sources, government agencies, proprietary databases, and social media to support active investigations.
She leads investigative support through OSINT collection and analysis, and drafts Freedom of Information Act requests on behalf of clients and case teams.
- B.A. — California State University, Long Beach
- OSINT collection & analysis
- FOIA request preparation