San Francisco police consider letting robots use 'deadly force' - The Verge

While most of the robots listed in the SFPD's inventory are primarily used for defusing bombs or dealing with hazardous materials, newer Remotec models have an optional weapons system, and the department's existing F5A has a tool called the PAN disruptor that can load 12-gauge shotgun shells. It's typically used to detonate bombs from a distance. The department's QinetiQ Talon can also be modified to hold various weapons -- a weaponized version of the robot is currently used by the US Army and can equip grenade launchers, machine guns, or even a .50-caliber