Prosecutors say surveillance footage shows the 19-year-old suspect stomping on her sister's head several times before standing on it with both feet and then slamming it against a sidewalk.
2 Boston men indicted in connection with Dorchester shooting that injured 5 people masslive.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from masslive.com Daily Mail and Mail on Sunday newspapers.