Drive-thru shooting leaves mother dead in front of son.

A Pennsylvania teacher, Rachel King, was shot and killed in a Dunkin' Donuts drive-thru lane while her 11-year-old son was in the backseat. Authorities are calling it a "targeted murder." The suspect, described as a black male with a thin build, fired numerous shots through the driver's side window before fleeing the scene. King worked at Grover Cleveland Elementary School for over a decade. Mastery Charter Schools confirmed her death and sent condolences to her family.