The document summarizes a case study about a Tesla autopilot car crash that resulted in a fatality. It provides background on Tesla Motors and their electric vehicles. It then describes the autopilot system and details the May 2016 crash where a driver was killed after the car failed to detect a tractor trailer. The official Tesla response acknowledged the issue, reiterated autopilot limitations, and emphasized the low accident rate of autopilot at 130 million miles between fatalities.