Dubai Deploying Autonomous Robotic Police Cars

It’s hard to tell how much of this story is real and how much is aspirational, but it really is only a matter of time: About the size of a child’s electric toy car, the driverless vehicles will patrol different areas of the city to boost security and hunt for unusual activity, all the while scanning crowds for potential persons…

It's hard to tell how much of this story is real and how much is aspirational, but it really is only a matter of time:

About the size of a child's electric toy car, the driverless vehicles will patrol different areas of the city to boost security and hunt for unusual activity, all the while scanning crowds for potential persons of interest to police and known criminals.

from https://www.schneier.com/blog/