About Billingsgate Associates LLC

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Billingsgate Associates LLC is a private investigation & consulting firm consisting of retired command staff from local, county and state police departments that operate throughout the Commonwealth of Massachusetts and other locations as necessary under the direction of experienced private investigator Arthur A. Parker, Jr.

Public Service & Instructor Experience

Arthur Parker, Jr. is a retired Chief of Police, having served this position for three prominent Massachusetts municipalities, Williamstown, Carver and Hanson. Parker earned the rank of chief through his 34-year career dedicated to serving the Bay State community as a police investigator and commander. 


In addition to his police service, Parker has been a Massachusetts State Police-licensed Private Investigator since 2000 and has also served as an instructor or faculty member for the following organizations:

Police Accreditation | 2005 to 2010
Commissioner - Massachusetts Police Accreditation Commission

Plymouth Police Academy | 2007 to Present
Academy Instructor - Recruit, Newly Promoted Sergeants and Lieutenants and Reserve Officer Classes

Endicott College | 2009 to 2010
Adjunct Faculty - Van Loan School of Professional Studies

Berkshire Community College
| 2001 to 2004
Adjunct Faculty - Criminal Justice Instructor

Newbury College
| 1998 to 2000
Consultant - Criminal Justice Degree Program, Legal Studies

Education & Professional Development

Anna Maria College | 2000

Master of Business Administration - Public Administration Concentration

Anna Maria College | 1984

Master of Arts - Criminal Justice

University of Massachusetts Boston | 1983
Bachelor of Science - Criminal Justice

  • MA Emergency Management Agency - Incident Command Systems (ICS), Levels 100-400
  • Glacken & Associates - Background Investigations for Public Safety Positions
  • FBI - New England Law Enforcement Executive Development
  • US Department of Justice - Panel Participant, How to Build & Maintain Effective Local Police Partnerships
  • N.E. Institute for Law Enforcement Management - Advanced Management Practices for Command Officers

Emergency Medical Technician
| 1989 to Present

Massachusetts Private Investigator's License | 2000 to Present
(P-935 issued by the Massachusetts State Police Certification Unit)