John Marshall School

Tomorrow evening, volunteers from the Boston Violence Intervention and Prevention program will try to knock on 400 doors near the John Marshall School to talk to residents about last week's shooting in the school gym.

The mayor's office says the goal is to both tell residents about city programs on violence and to gather data for a community meeting Dec. 12 at the school, which is also just around the corner from where a man was shot to death on Nov. 3.

Families living on Bowdoin Street, Geneva Avenue, Dakota Street, and Westville Street will be approached by volunteers.