Men robbing shops in groups - no mention of background

So, here's one of those stories about an Asian man who has taken to defending his store after being robbed by several men a number of times.

Of course, despite the clear as day pictures, there's no mention at all about the backgrounds of these men.

It must just be men in general.

If only there were another way to describe these men that might help us to identify some linking pattern from where all of this crime is coming.