After a victim was robbed in Somerville, police caught one of the suspects, a Cambridge juvenile, and recovered two knives and a stolen bag on Aug. 19. Somerville Police responded to Lincoln Park?at 10:24 p.m. for a?report of?traffic?and parking?employee chasing?two men who had?just committed?an armed robbery. The suspects were described as two?black males, 18?to 20 years?old, one?wearing a?gray ...