The Frisco Independent School District has been subpoenaed to provide the names of students who were at the April 2 track meet at Kuykendall Stadium, where Austin Metcalf, a Memorial High School student,

Metcalf, 17, was fatally stabbed at a district track meet on April 2 at David Kuykendall Stadium in Frisco. Anthony, then 17 and a student at Centennial High School, was charged with murder in Metcalf’s death.

In a letter to parents on Thursday, Frisco ISD says they will release student information to the state if parents do not object within five days.