Could it be that she didn't know on the spot?
When the accident happened, everyone was outside. When Nian Shen ran in, everyone knew. How could she possibly find out later?
But since the two of them don't have a good relationship now, she wouldn't confront her about it in such a setting. She wouldn't do something so low.
As for whether Nian Shen knows, that depends on him.
After waiting a few seconds, it seemed he had no intention of discussing it in that direction.
Heather glanced at the scene and spoke first, "Director, I'm just asking, has the investigation result come out? If not, I'll head back first."
Being a third wheel when a couple is trying to reconcile is quite unethical.
