There are plenty of ways for criminals to commit super easy crimes without autonomous vehicles being in the mix, but somehow society continues to function.
Stealing an unmanned vehicle-- and getting away with it-- should be very difficult.
Visitors like to walk up and take selfies with it, but no one messes with the thing because it's uploading 360 HD footage to some control center somewhere.
Some drunk guy tackled the one that roams the company that makes thems parking lot. He was promptly arrested based on all the excellent, well lit HD footage of his whole run up and contact with the robot.
As witnessed by the difficulty people have dealing with package thieves, "getting caught doing it" is unfortunately different from "not getting away with it", even when 'it' is illegal.
Sentry guns on top or inside.
All this is operational now in parts of China. They've finally figured out how to automate karma.
They could still make it too easy to vandalize on a whim, but AFA theft, it is probably better than owning a Toyota.