A National Security Question

If our immigration service could not detect this man, a suspected accomplice to the 9/11 hijackers:

Rayed Mohammed Abdullah Ali
a.k.a. Raed Mohammed Adbullah Ali
from entering the country on the grounds that his passport spelt "Rayed" without the "y", then how confident are you that they will be able to prevent this man from doing the same?

Qadaffi
a.k.a. Gadafi, Gadafy, Gaddafi, Gadaffi, Ghadaffy, Gadhafi, Ghaddafi, Ghaddafy, Gheddafi, Kadafi, Kaddafi, Kazzafi, Khaddafi, Khaddaffy, Qadafi, Qaddafi, Qadhdhafi, Qadhdhaafiy, Qathafi, Q'udafi and Qudhafi!