Oh you mean like a threat the kill someone?
That can be a crime even in Fat White Truck Driver Land.
Nobody, even in the article, suggested that Trump has yet committed a war crime. But he's laid out a pretty clear plan that would be crime
But actually, some of what's been done gets really near the line, perhaps over the line, for war crime. Blowing up a school is just not kosher. The level of criminality is determined by how it happened. Accident? Bad intel? Did Iran use the school as cover like Hamas does? But on its face, it was some type of criminal event. Will it every be looked into? Not in our lifetime.