Boston Blotter: Gang Shooting in Dorchester

-- A shooting that Boston police called gang-related inside of a Dorchester elementary school has brought massive police and streetworker patrols to the neighborhood. The 22-year-old victim was shot while playing basketball Tuesday at the John Marshall Elementary School. Police say that it was the second time the victim had been shot since leaving prison in May. [Herald; BPDNews]

-- Two men were shot dead on Monday near the intersection of Bowdoin and Norton Streets in Dorchester. [BPDNews]

-- Boston police nabbed Corey Robertson yesterday. Robertson was wanted in connection with the November 2 shooting in Dorchester. [BPDNews]

-- Bicyclists who reportedly identified themselves as members of the dreaded MS-13 gang threatened a man at Broadway and Cutter Street in Somerville because they believed he was a member of a rival gang, a mistake they have made at least once before. [Somerville Journal]