Rachel King, an English teacher at Grover Cleveland Elementary in Philadelphia, was murdered in the drive-thru lane at a Dunkin' Donuts location near downtown Philadelphia Tuesday morning. Unfortunately, her 11-year-old son was in the backseat and witnessed the crime. Philadelphia authorities say they believe the 35-year-old mother and teacher were targeted; they do not believe this was a random slaying. According to ABC7 , the local prosecutor said the suspected gunman appea