Business Details
27 Years
experience
Trusted Boston Private Investigator Services
Shamshak Investigative Services, founded in 1999 by retired police chief Thomas P. Shamshak, brings over 26 years of law enforcement and investigative expertise to Boston and surrounding areas. Our firm specializes in criminal defense investigations, cold case murders, and missing person cases, combining deep industry knowledge with a commitment to justice. With a career spanning 21 years in Massachusetts law enforcement, including leadership roles as police chief and academy director, we offer unparalleled insight into police procedures and investigative techniques. Our team holds advanced degrees in criminal justice and sociology, ensuring rigorous academic grounding alongside practical experience. We provide expert testimony in federal and state courts, consult on security matters, and deliver training programs to legal professionals and law enforcement agencies.Media appearances on CNN, HLN, and Investigation Discovery underscore our reputation as trusted authorities in investigative work. As Life Members of the Massachusetts Chiefs of Police Association and International Association of Chiefs of Police, we maintain the highest professional standards. Our services extend to asset protection, corporate intelligence, and crisis management, addressing both civil and criminal matters. With a focus on thoroughness and ethical conduct, we deliver actionable intelligence to support legal strategies and client objectives. This combination of operational experience, academic achievement, and industry recognition establishes us as leaders in private investigation and security consulting.
Services
Criminal Defense Investigations
Cold Case Murders
Missing Persons
Surveillance
Security Consulting
Asset Protection
Corporate Intelligence
Police Procedure Expertise
Witness Statements
Event Security
Details
- Year established: 1999
Highlights and features
- 26 years of experience as a Boston private investigator
- Retired police chief with law enforcement leadership expertise
- Expert testimony in federal and state courts
- Media-recognized authority in criminal investigations
- Advanced degrees in criminal justice and sociology
Associations and certifications
- Massachusetts Chiefs of Police Association
- International Association of Chiefs of Police
Services
Criminal Defense Investigations
Our criminal defense investigations support legal teams with evidence collection and case strategy. We specialize in reconstructing events, interviewing witnesses, and analyzing police procedures. With decades of law enforcement experience, we identify critical details that impact case outcomes.
Cold Case Murders
Cold case investigations apply modern techniques to unsolved homicides. We review existing evidence, locate new witnesses, and analyze procedural gaps from law enforcement perspectives. Our unique background combines police chief experience with academic research capabilities.
Missing Persons
Missing persons investigations utilize public records, surveillance, and interview strategies to locate individuals. We work with families and legal professionals through coordinated search efforts. Our approach combines law enforcement protocols with compassionate client support.
Surveillance
Professional surveillance operations document activities through discreet monitoring techniques. We employ advanced equipment and strategic positioning to gather admissible evidence. Services support civil and criminal investigations with court-ready documentation.
Security Consulting
Security consulting services develop protection strategies for businesses and individuals. We assess vulnerabilities in asset protection, workplace safety, and crisis management. Our recommendations incorporate law enforcement best practices and regulatory compliance standards.
People
Thomas P. Shamshak
Owner/Operator
Retired police chief with 21 years of law enforcement experience, including leadership roles in three Massachusetts departments. Holds advanced degrees in criminal justice and sociology, and has testified as a police procedures expert in federal and state courts.
Questions
What types of cases do you specialize in?
We specialize in criminal defense investigations, cold case murders, missing persons, and security consulting for both civil and criminal matters.
What makes your firm different from other investigators?
Our founder's background as a police chief, academy director, and court-recognized expert provides unique insights into law enforcement procedures and evidence evaluation.
Do you offer expert testimony services?
Yes, we provide expert testimony in federal and state courts regarding police procedures, investigative techniques, and law enforcement standards.
Can you assist with out-of-state investigations?
While based in Boston, we conduct investigations throughout Massachusetts and collaborate with licensed professionals in other states when needed.
Are your services available for media consultation?
Yes, we offer media consultation services and have appeared on CNN, HLN, Investigation Discovery, and local Boston news networks.
