Maybe I should ask the people in the next cube from me - they were in WTC 7
that day. Or should I call up a few more people I know who also worked in WTC 7 for Salomon Brothers? WTC 7 housed the NYC OEM center (23 fl)
which would no doubt be staffed 24 hours in case of emergency.
At the very least there'd be 'round-the-clock security.