"Nothing has happened at Lindeskolan before," said high school principal Staffan Hörnberg last year's zeroing in an article in Nerikes Allehanda in March.
The events during the zeroing led to seven students now being prosecuted for unlawful coercion.
The man who contacted SVT is a municipal employee and works at Lindeskolan and believes that the zeroing has certainly been known at the school
.
Hear more in the clip above (the man's voice is exchanged for a reader's).
An internal investigation was made
When SVT meets the high school principal Staffan Hörnberg, he tells them that they have done an internal investigation.
- Has anyone known about this?
We have not found out anywhere that anyone had knowledge, he says.