] CAPPS II will collect data and rate each passenger's risk
] potential according to a three-color system: green,
] yellow, red. When travelers check in, their names will be
] punched into the system and their boarding passes
] encrypted with the ranking. TSA screeners will check the
] passes at checkpoints.
]
]
] The vast majority of passengers will be rated green and
] won't be subjected to anything more than normal checks,
] while yellow will get extra screening and red won't fly.

U.S. plan: Threat level for every flyer