By Tiffany Williams –
BOSTON — On Sunday, July 13, 2025, officers assigned to District B-3 (Mattapan) arrested 20-year-old Ceide Guillaume of Dorchester on firearm-related charges following a traffic stop at the intersection of Tiverton Road and Lorna Road in Mattapan.
At approximately 10:18 p.m., officers conducting directed patrols to address traffic safety concerns observed a vehicle traveling at an excessive speed on Fuller Street toward Morton Street. The officers followed the vehicle onto Morton Street and then Lorna Road before initiating a stop at Tiverton Road.
Upon approaching the vehicle, officers noted multiple occupants inside and requested the driver, later identified as Guillaume, to produce a license and registration. Guillaume was only able to provide an employee ID card.
During the interaction, officers observed Guillaume exhibiting signs of nervousness, including shaking hands, heavy breathing, and repeatedly fidgeting with his shorts using his right hand. He also avoided eye contact and stared blankly at the officers. Despite multiple requests, he refused to retrieve the vehicle’s registration from the glove compartment.
Based on the behavior of Guillaume and the passengers, officers suspected the presence of a firearm in the vehicle. After further investigation, officers located and safely removed a Stoeger STR-9 9mm handgun from the glove box. The firearm was loaded with eight rounds in a 10-round magazine, with no round in the chamber.
Guillaume was placed under arrest and is expected to be arraigned in Dorchester District Court on the following charges:
- Unlawful possession of a firearm
- Unlawful possession of ammunition
- Unlawful possession of a loaded firearm
He was also issued a Massachusetts Uniform Citation for speeding greater than reasonable and proper.