- security staff who are themselves not subject to screening of any form when they come on duty
- errors in "no fly" lists
- the refusal of intelligence agencies such as the CIA to provide information to airport security staff about people they have under surveillance (with the consequence that many of them are allowed to fly).
20 December 2007
More on airport security
The First Post, reviews Unsafe at any Altitude ,a book recently published in the USA, which discusses aspects of US airport security, its excesses and omissions. These include