Only one person survived a shooting near Atlanta on September 15 . Hide Caption 1 of 21 Photos: Authorities claim that the suspect , Robert Bell , 33 , used an assault weapon similar to an AR-15 to execute two adults and a 12-year-old boy on Sunday , September 15 . The suspect is considered armed and dangerous .
Only one person survived a shooting near Atlanta on September 15 . Hide Caption 1 of 21 Photos: The suspect is considered armed and dangerous .