Everyear in the U.S. there are many criminals who refuse to come out of a hidehout or house and ultimately get killed BEFORE THEY CAN FACE A JUSTICE SYSTEM. Not only in the states but throughout the world. Nothing more and nothing less happened in the case you complain about. But much less happened when these three delusional thugs killed the settler. There was no opportunity for him to defend what you say is his big crime, one deserving death, of trespass.
U.S. and Russia discuss flight safety in Syria on conference call (Reuters)