The autopsy revealed a brain aneurysm which she might have been living with, all unknown, for as long as five years. As she sprinted across the parking lot toward the accident, that weak vessel in her cerebral cortex had blown like a tire, drowning her control-centers in blood and killing her. Death had probably not been instantaneous, the assistant medical examiner told me, but it had still come swiftly enough . . . and she wouldn’t have suffered. Just one big black nova, all sensation and thought gone even before she hit the pavement.