http://mashable.com/2016/09/16/gun-robot-standoff [mashable.com]
>Robots have been used for everything from greeting bank customers to grabbing a slice of pizza — and now they seem to be venturing further into law enforcement.
>
> A six-hour police standoff in a Southern California desert ended on Sept. 8 when a robot was used by police to take away the rifle of an attempted murder suspect.
Well, that's a big improvement over sending in a robot with a suicide vest like they did in Dallas.