Emotions run raw as mourners weep at a vigil for a 15-year-old Roxbury teenager killed in a midday stabbing near Dudley Square in Boston on Wednesday, July 11, 2012.

Emotions run raw as mourners weep at a vigil for a 15-year-old Roxbury teenager killed in a midday stabbing near Dudley Square in Boston on Wednesday, July 11, 2012.