A Growing Test for Self-Driving Vehicles: Rocks, Knives and Guns
CHANDLER, Ariz. -- The assailant slipped out of a park around noon one day in October, zeroing in on his target, which was idling at a nearby intersection -- a self-driving van operated by Waymo, the driverless-car company spun out of Google.
He carried out his attack with an unidentified sharp object, swiftly slashing one of the tires. The suspect, identified as a white man in his 20s, then melted into the neighborhood on foot.
The slashing was one of nearly two dozen attacks on ...