According to the news report at the time, one mother of a child that was one the bus stated that her child said he said “are you ready to die?” just before he went around the sharp curve and crashed.
Another report, which has mostly been ignored, stated that he had DEVIATED FROM THE SCHEDULED ROUTE.
Maybe enough kids heard him and can testify. I believe he intended for that and expected to die, but I don’t know that. If so, we’ll likely kill him, if Kentucky has death penalty. They probably do