FRIENDSHIP, Wis. -- Court documents said the driver of a semitrailer that struck a school bus, killing one student and injuring others, was looking away when the crash happened 17 months ago.An Adams County criminal complaint charged Barry Jacobson, 46, of Wisconsin Rapids, with homicide by negligent operation of a vehicle and six other crimes.Jacobson drove the semitrailer truck that struck the back of the bus on state Highway 73 outside Plainfield in March of 2006. The students were from the Tri-County School District.An accident reconstruction expert said the driver's injuries showed he was not sitting properly in the driver's seat at the time of the crash and was peering to the right and rear.The complaint said Jacobson told investigators he never saw the bus. It also said he was speeding.Jacobson appears in court on Sept. 24.