Big Data

special report

Iris Scans

The Homeland Security Department has announced programs using iris scan technology to create a database of biometric information. The Army and other governments have utilized the technology some, but scientists have doubts about this emerging technology.

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FBI to start querying national iris index this year

January 28 The bureau’s $1 billion biometric rolodex for tracking criminals is 65 percent complete.

FBI and DHS team up to nab border intruders with iris recognition

January 25 Feds to build upon controversial immigrant fingerprinting program with eye pattern matching.

A passenger undergoes iris scanning at Boston's Logan Airport during a test program.

Scientists question accuracy of iris scanners over time

July 16, 2012 Findings could prompt agencies to use other biometric technologies.

Feds significantly expand the use of iris-recognition technology

July 13, 2012 Biometric data to be used to catch criminals, verify identities of government employees and possibly travelers.

Afghan police patrol mountains outside Kabul.

Biometrics blossom in Afghanistan

July 9, 2012 U.S. and Afghan governments have built a digital database with 2.5 million entries.

Eye on crime: The FBI is building a database of iris scans

June 27, 2012 The bureau is tapping into the proliferation of biometric data state and local law enforcement agencies are collecting.