Later, federal investigators will determine the details of the latest fatal Tesla crash with autopsy-like precision.
They'll answer the specific questions. Such as whether Autopilot was engaged. Or whether it had been in the seconds before the Model S veered off the road, slammed into a tree and killed two people. Or whether the driver-assist system had been engaged but inadvertently deactivated when the driver climbed into the front passenger seat.
Yet the biggest mystery related to the crash, which occurred April 17, in Spring, Texas — what on Earth would compel the driver to abdicate responsibility for driving and physically move from behind the wheel — may already be solved.
"We have witness statements from people that said they left to test drive the vehicle without a driver, and to show the friend how it can drive itself," Mark Herman, constable of Harris County Precinct 4, told Reuters last week.
Of course, Tesl…