The FBI is gearing up to create a massive computer database of people's physical characteristics, all part of an effort the bureau says to better identify criminals and terrorists. The FBI wants to use eye scans, combined with other data, to help identify suspects.
But it's an issue that raises major privacy concerns -- what one civil liberties expert says should concern all Americans.
"It's the beginning of the surveillance society where you can be tracked anywhere, any time and all your movements, and eventually all your activities will be tracked and noted and correlated," said Barry Steinhardt, director of the American Civil Liberties Union's Technology and Liberty Project.
People who don't think mistakes are going to be made I don't think fly enough," said Steinhardt.
He said thousands of mistakes have been made with the use of the so-called no-fly lists at airports -- and that giving law enforcement widespread data collection techniques should cause major privacy alarms.
"There are real consequences to people," Steinhardt said.
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