article_snippet.sent: But while one bullet struck a 17-year-old boy in the buttocks, another hit Tilson's 15-year-old son, Pierre, in the head.
article_snippet.sent: the teenager was not breathing and a bullet was lodged in the teenager .
article_snippet.sent: One of the shots killed she 17-year-old son, Pierre (pictured)
article_snippet.sent: The mother small-caliber handgun and fired several shots into the crowd, accidentally striking Pierre, a freshman at Southwest DeKalb High School and a keen drummer.
article_snippet.sent: Shooting" The teenager was rushed to Grady Memorial Hospital with a gunshot wound to the back of his head.
highlights_snippet.sent: But while one bullet struck a boy, 17, other hit She 15-year-old son, Pierre .
  