-year-old walter huang. his electric car slammed into a barry never mountain view. the driver assist software is said to be to blame for failure to connect with the barrier. >> we miss him so much. not just family. friends miss him a lot. >> tesla is not commenting on the lawsuit today but accord to a preliminary report from the ntsb, investigators found that the vehicle, "did not protect the driver's hands on the steering wheel in the six seconds before the crash." for more on the lawsuit i'm joined by tim higgins. tim, how problematic is this lawsuit for tesla? >> well, it puts the company under a microscope yet again for the autopilot system which has raise add lot of questions in the last couple of years about whether people are paying enough attention to it. it is not self-driver, does not turn the car into a robot. the person behind the wheel is supposed to pay attention. many over rely on it. >> this lawsuit outline as number of problems. they're suing for product liability, failure to warn, breech of warranty, false advertising, it is a long list. >> yeah, one of the lawyers