He is said by the FBI to be a master at using aliases, having evaded the agency for years.

BBC: Profile: Fazul Abdullah Mohammed

In 2003, an agency created to rebuild the site chose a master plan by architect Daniel Libeskind.

CNN: The making of a memorial: Reshaping ground zero

Rep. Stephen Horn (R-Calif) asked USPS to submit within one week a master contingency plan that would take into consideration all systems in the agency and lay out what USPS would do in case of computer failures.

CNN: USPS can't promise mail delivery won't encounter Y2K bugs