"The neurosurgeons would come down and decide, 'I can't salvage this guy,'" she says. "So I would patch him up, I mean, if he was still alive. And I would take him over to the pre-op area. And I would put a screen up. And I would sit with him until he died. … I mean, these kids were 18, 19 — 18, 19, very unusual to see a 20-year-old — 18 or 19."