Her first appearance in the public eye was through a letter she had written to an Israeli soldier who she made visual contact with throughout the massacre

No. She met him outside the camp on the same morning the journalist Fisk arrived. A shy young soldier who offered to share honey cake his mother had sent.-

she from the hospital roof where the nurses took their breaks,
She saw nothing of it and knew nothing.
She watched the flares and commented on the silence. No shots or cries.

he from a watchtower overlooking the camp and witnessing what was going on.

The "camp" is buildings with a warren of streets in between. From outside the streets can not be seen.

What she couldn't see, she gathered from survivors brought into the hospital.
She does not recall being told about any massacre.

She later gave evidence of seeing the bulldozers with Hebrew writing on the side being used to dig the mass graves.

No. She does not say the bulldozer was burying anyone.