Informational Alert | Coronavirus Updates
NOTICE: Due to COVID-19, the Cambridge Police Records Unit will be open to members of the public by appointment only. Appointments can be made by phone at 617-349-3336 and hours are Monday-Thursday from 8:30 a.m. to 5 p.m. No fingerprint services are available at this time. Requests for general assistance, applications and License to Carry (LTC) renewals can be made by email:

Criminal Investigations Unit

Detective Badge

The Criminal Investigations Unit is responsible for evaluating reports and making a determination as to the solvability of the crime. After this evaluation the case is either assigned to a detective or case manager for follow-up with the reporting person. This includes a timely contact to advise them of the process and provide additional information as needed.

It is the goal of the Criminal Investigations Unit to provide the highest quality of service to those who have been victimized by crime. Regardless of the severity of the offense, the unit looks to advocate for all victims and keep them updated on the status of their case.

If you have questions for a detective, you may call the Investigations Unit at 617-349-3370.

To leave a voice mail with tips or any other helpful information related to a case, please call 617-349-3121. An officer will contact you as soon as possible, unless you would prefer to remain anonymous. 


Telephone: 617-349-3370

Commanding Officer:  Deputy Superintendent Leonard DiPietro

                                    Detective Lieutenant Robert Grey (night)

                                    Detective Lieutenant Thomas Ahern (day) 

Visiting CPD

Hours of Service

Monday: 8:30am-8pm
Tuesday-Thursday: 8:30am-5pm
Friday: 8:30am-12pm

Cambridge Police Department

Branville G. Bard, Jr.
Police Commissioner

Email Us with general inquiries about the department or questions about resources/programs offered by the police. DO NOT use this form to submit tips or report crimes in progress.

125 Sixth Street
Cambridge MA 02142