About us




Chief Louis M. Barry (ret.)

Louis Barry is a retired Chief of Police with 35+ years of police experience. In addition to serving as Chief for 24 years, his background includes extensive investigative experience earned while employed as a Detective and Sergeant  with the Orleans MA  Police Department. He has investigated and overseen the investigation of countless rape and sexual assault cases. He holds a Masters Degree in Criminal Justice and now teaches at the Western Mass Police Academy, as well as at local Massachusetts colleges. He is a licensed private investigator in the Commonwealth of Massachusetts and is license holder for the Harris Mtn. Inv. which specializes in cold case investigations of missing persons and homicides. He does extensive work for the non-profit organiztion PRIVATE INVESiTGATIONS FOR THE MISSING. He has been a guest on  numrrous podcasts relating to missing persons/unsolved homicides.


  • You will find our rates affordable and our services professional.
  • If you feel our services could be beneficial to you or to your client’s litigation, please feel free to contact us here.
  • We would be pleased to review any case with you.                                                                                                                                                                                              Thank you for considering our services.

Harris Mtn Inv

Louis M. Barry
PO Box 251
Granby MA 01033
Telephone (413) 255-0212

dba Harris Mtn. Investigations .LLC
MA PI License #LP 0993A
Attorney Referrals Available