A driverless car in San Francisco alerted police to a firearm on board, a violation of Waymo rules. Officers detained 2 passengers—and recovered a loaded, AR-style ghost gun.
Source: [Inc.](https://www.inc.com/kevin-haynes/a-gun-was-detected-inside-a-waymo-so-the-robotaxi-made-an-unexpected-stop/91404812)