CIS and Associates

Why Choose Clandestine Investigation Services, Inc. (CIS and Associates)? Since 1986, Clandestine Investigation Services, Inc. has stood as one of New England’s most trusted and results-driven private investigation agencies. Founded by Joe and Joann Mangiacotti, CIS has grown from a family business into a respected second-generation investigative firm with a reputation for integrity, professionalism, and unmatched investigative skill. Today, CIS is led by Joe Mangiacotti Jr., Resident Manager and President. Joe’s investigative roots run deep—he began his career in high school working for a seasoned P.I. in Sherborn, MA, and later at Stop Loss Associates in Framingham. Following the passing of his father, Joe took the helm of CIS, carrying on the family legacy with the same dedication and drive that built the agency’s name nearly 40 years ago. Joe brings a unique blend of experience and expertise to every case: Academic Foundation – With degrees in Business and Psychology, Joe approaches investigations with both strategic precision and deep insight into human behavior. Media Expertise – With 40 years in broadcasting and media, Joe has mastered communication and critical analysis, enhancing his skills in interviews, interrogations, and fact-finding. CPCS Certified – Joe is qualified to handle Committee for Public Counsel Services (CPCS) cases, making him a trusted asset in defense investigations. Defense Specialist – Recognized as an exceptional defense investigator, Joe is highly regarded for his expertise in interviews, interrogation, and uncovering the truth where others cannot. Now based once again in the MetroWest area (Framingham, Natick, Marlboro, MA), CIS and Associates continues to provide the same discreet, thorough, and professional investigative services that have defined the agency for decades. At CIS, every client is more than a case file—they are a priority. Backed by decades of proven success and a family legacy of investigative excellence, CIS is the team you want on your side when results matter most.