It's pretty obvious she isn't a spy, and this is a round about way of admitting it. Realistically speaking, an actual spy investigation would neither be leaked to major propaganda outlets. These outlets work directly with intelligence agencies to shape narratives, and none of this would be reported by them until the investigation was concluded and actions already taken. This whole story is just political circus meant to manipulate the public, and seize control of aspects of Nvidia's operations by targeting its senior leadership.