The Castle Doctrine says a person should retreat to their dwelling. If the intruder kicks in the door with deadly force then it is met with deadly force. The Stand Your Ground law says if a person does not have a dwelling to retreat to , then protect yourself if you feel your life is in danger. A person also has a right to protect property. I would suppose if bad actors were throwing Molotov Cocktails up on your roof or through your windows a person can do something about it.
This deal is a little different. According to the story, they were running away. A warning shot into the ground would have hurried them along their way.
North Dakota Law:
When deadly force is used in lawful self-defense, or in lawful defense of others, if such force is necessary to protect the actor or anyone else against death, serious bodily injury, or the commission of a felony involving violence, An individual is not required to retreat within or from that individual's dwelling or place of work or from an occupied motor home or travel trailer, unless the individual was the original aggressor or is assailed by another individual who the individual knows also dwells or works there or who is lawfully in the motor home or travel trailer. Also, deadly force is permitted in defense of property when used by an individual in possession or control of a dwelling, place of work, or an occupied motor home or travel trailer, or by an individual who is licensed or privileged to be there, if the force is necessary to prevent commission of arson, burglary, robbery, or a felony involving violence upon or in the dwelling, place of work, or occupied motor home or travel trailer, and the use of force other than deadly force for these purposes would expose any individual to substantial danger of serious bodily injury.