A school yard argument ended with a 12-year-old Turlock girl being taken to Juvenile Hall after she threatened another child with a knife, according to the Turlock Police Department. The incident happened shortly before 10 a.m. Thursday at Turlock Junior High School. The 12-year-old and another classmate were in a verbal argument when the 12-year-old pulled out a knife and threatened to kill the other student, according to the police report.