Hm. They unearth a tomb. Of a man. With twelve(?) women buried with him. And this burial is on top of an existing archaeological feature (like a re-used tomb). And has some wealth in the pit.
And suddenly this is Genghis Khan?
The tomb that was literally designed to never be found? All the builders were killed. All the mourners were killed. All their families were killed. And the killers were killed. All to ensure the location of his final resting place was never discovered.
I think the headline writers were drinking more heavily that day and made a leap not yet supported by evidence.