Our Team

About the Owner:
Louis M. Barry is the sole owner of HMI with over 40 years of investigative and case management experience, including over 35 in Law Enforcement with 24 as Chief of Police. During his time as a police detective, he investigated all manners of crimes, including sudden deaths, sexual assault investigations, armed robberies, and all major crimes, in addition to being assigned to a Federal Narcotic Task Force.
After retiring as Chief of Police he twice served as Interim Director of Public Safety at a local college. In addition, he has taught at Colleges and Universities for over 30 years in all areas of Criminal Justice. He has also instructed  extensively at area police academies, being certified by the State  in over a dozen subject areas. He is an appointed  Constable and was an elected member of the Select Board for six years. He just completed a term as a Hearings Officer for the Massachusetts Board of Bar Overseers, which handles complaints of Attorney misconduct.
Barry holds a master's degree in Criminal Justice. He now volunteers for the non-profit organization Private Investigations for the Missing, screening cases and acting as a Case Manager.
Barry has appeared on several Podcasts, including MISSING, WEB SLEUTHS, WICKED DEEDS, and CULTS CRIME AND CABERNET, and has acted as a consultant on others. In addition, he was recently interviewed for an upcoming article in ROLLING STONE magazine.
Emma Sousa
Emma started with Harris Mountain Investigations in June of 2022. She has over 14 years of professional experience in local government and holds a BS in Computer Forensics and Digital Investigations and a BA in Sociology and Applied Social Relations. Emma works with Harris Mountain Investigations by researching cases using open-source intelligence techniques and other duties as assigned. In addition, she volunteers her services to Private Investigations for the Missing as a researcher.
Greg Overacker
Greg became associated with us after working closely with him on the Brianna Maitland case. Greg had been immersed in the case on his own time for a number of years. A former bounty hunter and process server, he brings the same tenaciousness he displayed in those endeavors to our investigations. Greg also volunteers with Private Investigations for the Missing as an investigator.
Brianna Annonni
Now located on the West Coast, Brianna is a Massachusetts native, raised on the south shore of Boston. She holds a BS in Criminal  Justice from Roger Williams University, a MS  in Cybersecurity Policy and Governance from Boston College . She is currently  a Candidate for MS in Digital Forensics Investigations at University of New Haven -  She is a U.S. States Coast Guard veteran - Boatswain's Mate third class. Her assignment included  search and rescue, ports, waterways & coastal security, and recreational boating safety. 
Previously she worked as an Investigator for an  international group doing insurance fraud investigations.doing field investigations and conducting surveillance.
She works with HMI as an Investigator and case researcher. Brianna also volunteers in the same capacity with Private Investigations for the Missing.