At about 12:40 PM, on Monday, November 20, 2023, members of the Youth Violence Strike Force arrested John Rosa, 30, of Dorchester on drug and firearm charges.
Officers were conducting an ongoing firearm investigation in the area of 121 Wilmington Street. Officers observed the suspect get into a motor vehicle and leave the area. Officers followed the motor vehicle and activated their emergency lights and sirens to initiate a traffic stop. The suspect was placed into handcuffs, and the suspect’s motor vehicle was towed to District B-3 (Mattapan) pending a search warrant. During a search of the suspect, officers recovered a pill bottle with approximately 25 grams of suspected to be oxycodone and $1,130 in US currency
Rosa was placed under arrest and charged with: Assault with a dangerous weapon (firearm), threats to commit a crime, and trafficking of class B. He was arraigned in Dorchester District Court.
At about 3:08 PM, on Friday, November 24, 2023, detectives assigned to District B-3 (Mattapan) conducted a search warrant of the suspect’s motor vehicle. As a result of the search warrant, detectives recovered a SCCY CPX-2 firearm with eleven rounds in the magazine.
Detectives will seek additional complaints out of Dorchester District Court for unlawful possession of a firearm, unlawful possession of ammunition, and unlawful possession of a large capacity feeding device.