It's a reference to the murder of Henry Nowak, a sad example of knife crime which exists in the uk, and of individual police officers who failed to render basic first aid.

The family not only lost their son, but then had to see his name used to further the global hatred of the farage types

I suspect it's linked to this which is the latest example being used.

https://www.ndtv.com/world-news/uk-man-was-assaulted-by-atta...