Hardcore. SHOCK!!! Incredible stories from the life of different people

A friend of eight years old on a bicycle, without noticing a five-year-old boy who jumped out from behind a car, moved his throat.
He died, the girl became isolated, stopped talking.
The family had to go to another city.
At the autopsy, the boy was told that he had died not from a passing bicycle on the neck, but from hitting his head against the asphalt a few seconds before.
He stumbled and just flew in front of a passing girl.
But how to explain now to the child that she is not a murderer.