Authorities are learning more about the weapon allegedly used in Monday’s shooting on Memorial Drive in Cambridge, and firearms experts say the case highlights growing concerns about how dangerous weapons end up in the hands of convicted felons.
Tyler Brown was arraigned Thursday from his hospital bed in connection with the shooting, which prosecutors say left two drivers struck by gunfire. One victim remains hospitalized.
Investigators recovered the firearm at the scene, describing it in court as a multi-caliber rifle equipped with a scope. Prosecutors say approximately 70 shell casings were found at the scene, underscoring the intensity of the gunfire…