A videograb shows the cars flying off the road.
The 45-year-old lady was seriously injured when she got out of her car with the engine still on only for it to run her over.
The video shows a minivan flying off the bed of a trailer truck carrying several vans.
The gunman, identified as Justin William Flores, was shot and killed at the scene. His wife told KCBS-TV that he had attacked her two days ago and she had moved into the motel to escape him but he tracked her down.
Smart glasses are one of the many ways that tech companies have tried to move beyond the smartphone as a user-friendly device, but so far with little success.
The UAE has expressed its sincere condolences and solidarity with the Republic of Iraq over the victims of the fire in Nineveh province, which resulted in hundreds of deaths and injuries.
Al Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah, King of Malaysia and Sultan of Pahang, presided over a ceremony to hand over keys to the beneficiaries of the Sultan Abdullah Housing Project (Ru'Rasa), which was financed by the United Arab Emirates.