Investigation Update: About 12:26 PM, on Friday, November 21, 2025, a 16-year-old Juvenile Male was arrested at District E-13 (Jamaica Plain). At the time of his arrest, the suspect was wanted on a warrant out of Suffolk Superior Court for the following charges:
- Murder
- Firearm used in a Commission of a Felony
- Assault and Battery Attempt with a Firearm
- Carrying a Firearm without a License
The 16-year-old Juvenile male is expected to be arraigned in Suffolk Superior Court.
The facts and circumstances surrounding the prior incident are as follows: At about 12:23 PM on Friday, July 5, 2024, officers assigned to District B-3 (Mattapan) responded to the area of Gladeside Avenue and Donwood Terrace for a report of a person shot.
Upon arrival, officers located two victims inside a vehicle suffering from gunshot wounds. Both victims were transported to local hospitals, one with non-life threatening injuries, the second victim was suffering from life threatening injuries. The second victim was pronounced deceased and identified as Christian Cousins, 17, of Stoughton.
The Boston Police Department’s Homicide Unit continues to investigate the facts and circumstances surrounding this incident. Anyone with information is strongly urged to contact the Homicide Unit at (617) 343-4470.
Community members who wish to provide information anonymously may do so through the CrimeStoppers Tip Line:
📱 By Phone: 1-800-494-TIPS
💬 By Text: Text “TIP” to CRIME (27463)
🌐 Online: Boston Police CrimeStoppers
Photos and videos related to the investigation can also be submitted anonymously via CrimeStoppers. The Boston Police Department strictly protects the identities of those who assist in investigations anonymously.
For those impacted by this incident, the Boston Neighborhood Trauma Team (NTT) offers free, 24/7, confidential emotional support. To connect with a trained provider, please call (617) 431-0125.