The Boston Police Department Crime Laboratory Unit is part of the Forensic Technology Division. The Crime Lab provides services to the City of Boston, MBTA, and several of the colleges and universities in Boston.

The Family Justice Division consists of the following units within the Boston Police Department:

• The Crimes Against Children Unit
• Domestic Violence Unit
• Sexual Assault Unit

As a part of the Office of the Police Commissioner, Media Relations provides public information to local and national media outlets, conducts news conferences and interviews, and provides Department spokespersons to ensure that the public receives timely and accurate information about department-related activities, programs, services and personnel.

The Internal Affairs Division investigates incidents of alleged police misconduct ; reviews complaint investigations to ensure that investigations are thorough and complete; analyzes all complaint data; and proactively assists in the development of needed training modules.

To file a complaint against a Boston Police Officer or Police Department Employee, fill out Internal Affairs Complaint Form.

The Boston Police Harbor Unit, led by Harbormaster Phillip Terenzi, patrols the harbor daily to ensure that both commercial and recreational use of the harbor and its islands is safe. The unit also enforces maritime codes and environmental regulations as they apply to these waters.