MBTA Transit Police are actively seeking the public's assistance in identifying a suspect involved in a sexual assault incident that occurred on the Boston subway system. The suspect is described as a Black male who allegedly sexually assaulted a 17-year-old female passenger aboard an Orange Line train. The incident took place on August 17, 2026, at approximately 3:20 p.m., near the Tufts Medical Center station in Boston, Massachusetts. According to police reports, the suspect was observed wearing a beige and green Los Angeles baseball cap, a beige raincoat, brown pants, and white sneakers. He was also carrying a white plastic bag and a black crossbody bag at the time of the offense. Authorities have released an image of the individual and are urging anyone who recognizes him to come forward with information. The investigation is being handled by the MBTA Transit Police, specifically their Criminal Investigation Unit. Members of the public with any tips or information regarding the suspect's identity or whereabouts are encouraged to contact the agency directly at 617-222-1050. Police have emphasized that individuals providing information may remain anonymous. This case remains active, and the suspect is currently at large. The public is asked to review the provided photograph and share any relevant details that could aid in the identification and apprehension of the individual responsible for the assault on the teen. The MBTA Transit Police continue to investigate the matter and are relying on community cooperation to resolve the case.