It threatens not only students and schools but the city's economic future.

Keegan's characters include the semi-psychotic Coach Hines, who threatens students and others at school assemblies.

"You occasionally get students who threaten, cajole or strong-arm other students for their lunch money or Walkmen, but nothing like this," he said.

In addition to claiming that the dean was out to poison him, he had threatened his department head and several students.

He loves provoking, blackmailing, gossiping and threatening students for varying reasons.

For the first time, the university will impose penalties, ranging up to expulsion, on students who threaten other students because of their race.

Schools have threatened students who participate in a food fight with suspension or expulsion.

It's easy to threaten students, teachers, principals and the superintendents who come and go.

Crime and violence continue to threaten schools and students.

In August 2012, news reports stated he had been reprimanded for threatening students at Fowlerville High School.