A Georgia man is accused of killing his girlfriend's baby after he told deputies that the 6-month-old boy became "unresponsive" in his care, according to authorities. Willie George Northern Jr., of Kathleen, is charged with murder, cruelty to children and tampering with evidence in the baby's death, the Bibb County Sheriff's Office said in a news release on Wednesday, January 7. Information on Northern's legal representation was not immediately available.