Public Safety Committee reviews 18‑hour standoff at 243 Broadway; orders review of crisis negotiation protocol and mental‑health integration

The Cambridge Public Safety Committee on the afternoon after the Aug. 1–2, 2025 standoff at 243 Broadway reviewed the Cambridge Police Department's (CPD) tactics, effects on building residents and options for adding mental‑health professionals to crisis negotiations. The committee voted to direct the city manager and CPD to review crisis negotiation protocols and report back to the City Council on whether and how to routinely integrate mental‑health responders into barricaded‑subject incidents.

The session opened with a departmental presentation reconstructing the incident, which began on the night of Aug. 1 when a man armed with two machete‑style knives attacked two people in Central Square before fleeing into a multiunit building at 243 Broadway. Police officials said the subject ignored commands, posed an ongoing threat to bystanders and ultimately entered his first‑floor apartment using a key fob. After an 18‑hour standoff, officers said they took the subject into custody without the use of deadly force.

CPD presenters said officers fired 40‑millimeter less‑lethal projectiles six times during the pursuit; those rounds did not stop the subject. When crisis negotiators were unable to establish a sustained dialogue by midnight, command staff selected an area‑denial tactic that included introducing OC (oleoresin capsicum, commonly called pepper spray) into the apartment through windows. The department said it deployed ten OC canisters into the unit. As a result of airflow in the building, CPD later acknowledged, OC vapors migrated through the elevator shaft and common areas and led to at least three residents being evaluated at a hospital; those people were shortly released, officials said.

"Pepper spray, I will say it again, will not be deployed in this manner again," the police commissioner said during the committee briefing, describing the outcome as serious and regrettable but emphasizing that the subject surrendered and no lives were lost. The commissioner and other CPD officials characterized the incident as unusually fast‑moving and said they would revise training and tactics after reviewing how building ventilation, propped fire doors and elevator pathways allowed the OC to spread.

City Manager Wong told the committee that body‑worn and overt cameras installed citywide were "an invaluable tool" for reconstructing the pursuit and post‑event review, but noted the department could not show footage at the meeting because the criminal case is active and the recordings are sequestered until court proceedings conclude.

Public commenters and community groups challenged the department's use of OC in a dense, older multiunit building and urged expanded involvement of mental‑health professionals in crisis negotiations. Corinne Espinosa, co‑director of Cambridge HEART, said, "No one deserves to be treated the way the Cambridge police treated our community member that night," and urged the city to prioritize unarmed mental‑health responders for similar calls. Other speakers, including tenants' advocates and residents of 243 Broadway, asked for clearer building‑specific planning and better support for evacuated residents, including accommodations for pets.

CPD officials and the committee discussed alternatives for future incidents, including the possible acquisition of tactical drones for interior observation, additional less‑lethal options such as bolo wraps or Tasers, and more exhaustive predeployment checks with building management on HVAC and fire‑door configurations. The department stressed that national guidance (the National Tactical Officers Association) recognizes OC as one option in area‑denial tactics when negotiation has failed, but presenters said those guidelines did not account for the airflow and building idiosyncrasies found at 243 Broadway.

The committee approved a policy order (placed on the City Council agenda) asking the city manager and Cambridge Police Department to review the department's crisis negotiation protocol and report back on methods to incorporate mental‑health professionals and other nonpolice responders where appropriate. Chair Councilor Wilson said she would submit the order on behalf of the committee; the roll call at the final action recorded affirmative votes by Vice Mayor McGovern, Councilor Siddiqui and Chair Wilson (3 yes), with Councilors Toner and Zuci recorded absent for that vote. The committee also confirmed that CPD will not release body‑worn or overt camera footage while the criminal case is pending.

Committee members and staff said next steps include a departmental after‑action review, further outreach to the building's residents, and a follow‑up report to the Council on operational changes and recommendations for co‑response protocols that could include clinicians, whether from the city's CARE/Community Safety Department, the co‑response clinician funded through a North Suffolk grant, or other trained mental‑health professionals. Officials said the CARE team currently responds to well‑being checks, unwanted‑party calls and low‑risk behavioral‑health incidents but is not staffed for 24/7 co‑response to violent, weaponized incidents.

The committee's discussion foregrounded three recurring themes: (1) the tension between protecting public safety and minimizing harm to uninvolved residents in tightly packed multiunit housing, (2) whether and how to embed mental‑health professionals into high‑risk negotiations, and (3) the need for preevent coordination with building management about HVAC, fire doors and evacuation/shelter‑in‑place plans. The city manager and CPD officials agreed to develop recommendations and return to the Council with options and training implications.