Good evening. Were learning more tonight about the collision with a fedex truck and school bus. Five adults and five students were killed when a truck crossed into the median and plowed into the bus. Now investigators are piecing together details of that crash. Nbcs janet is in chico, california tonight with more, janet, good evening. Reporter carl, good evening to you. It is going to be a painstaking process. The intensity of the fire, inferno has left investigators with little to examine. They are going to be doing mapping with 3d technology to recreate how it happened and whether it could have been prevented. It is true detective work for investigators who are still sifting through the accident scene. The inferno and tractor trailer leaving them little more than charred shells may have stolen vital clues, electronics that indicate speed, braking and overall performance. Because of the postcrash fire, there is not much of anything left. We will be looking for an electronic control mo