Homicide and saab with assaultd battery with a dangerous weapon at the home in brockton. Sweaters are here taking photographs and gathering evidence. I knew it was something bad only because she was wailing and screaming and she did say 911, 911. Reporter Marianne Montero dialed 911 was a desperate grandmother who speaks mostly creole pulled her toward the house on merritt avenue. She just grabbed my hand and started pulling me house, and at this point in time i now know it was to get her daughter out of the house. Reporter but it was too late. 44yearold maria had been stabbed to death, charged is her son 18yearold franz polynice. A neighbor says he also lunged at his grandmother during the attack. He came lunging through the kitchen at the door where we were standing, and i just pulled the grandmother out of there and i said, no, youre not going in. I just kept pulling her away from the house. They went into the housey then held down polynice who had come nowdz until police arrived. J