By Mirah Riben A 47-year-old Georgia woman was arrested after attempting to illegally obtain a baby for her teenage daughter. Detectives started investigating Elaine Williams after a citizen called police about a suspicious Craigslist ad. The post asked for unwanted babies, saying mothers could drop them off in a “baby box”. According to investigators, Williams was attempting to buy a baby for her 14-year-old daughter. Police say Williams told them…