Danielle Dauphinais, 38, pleaded guilty to second-degree murder and two counts of witness tampering in connection with the death of her son, Elijah Lewis.
Brian Crossman Jr., 22, is accused of three counts of aggravated murder in connection with the fatal shootings of his father, stepmother and step brother.
The Bibb County Sheriff's Office revealed the teenage murder suspect is wanted in connection with the death of 20-year-old Gabreon Tyrese Harrison on August 1.
Emmanuel Antonio Littlejohn, 52, and Alan Eugene Miller, 59, were both convicted on murder charges in the '90s and have spent decades awaiting their fate.
