Class

None of them liked the teacher. He was strict and they were mostly scared of him.
This led to the children having a meeting at breaktime.
"We need to get rid of him," one suggested.
"How?" asked another.
"I've got an idea," said a third, heading for the staff car park.
That evening the teacher crashed his car on the way home as his brakes failed. There was no reason for the police to suspect foul play even though that was exactly what it was.
The six year olds were so devious.