NEW : The mother and sister of a suspect have been ordered held without bond . West tried to resuscitate her son as bystanders called 911 for help . The city official is related to the family of one of the murder suspects , his wife says . A man who was shot in an apparent gang-related shooting on Chicago's South Side has died, police said. James Henry Brooks was n't trying to interfere with investigation . Two Brunswick , Georgia , teenagers have been charged with murder .
NEW : The mother and sister of a suspect have been ordered held without bond . The city official is related to the family of one of the murder suspects , his wife says . A man who was shot in an apparent gang-related shooting on Chicago's South Side has died, police said. James Henry Brooks was n't trying to interfere with investigation . Two Brunswick , Georgia , teenagers have been charged with murder .