The Chinese government had earlier said that Nurmemet Yusup had died during a police interrogation after he was arrested on suspicion of sympathizing with a criminal.
On Tuesday, Crumbley and his parents Jennifer and James were called into Oxford High School for a meeting with teachers about his unruly behavior in classroom.
Norris hasn't been heard from since she called her mother, Cheryl Walker, on a stranger's phone on November 5 from San Diego telling her that she had a fight with her boyfriend.
Johnson was indicted on counts of obstruction and violations of oath in connection to allegations that she deliberately delayed the arrests of Gregory, Travis and Bryan.