While community activists in some of Boston's south side neighborhoods have declared a state of emergency following a string of fatal shootings, one mother is working to help the grieving families left behind. Chaplain Clementina Chéry, president and CEO of the Louis D. Brown Peace Institute, named after her 15-year-old son who was fatally shot in Dorchester in 1993, said a long-term and sustainable public health approach is needed to end the violence. ...