WASHINGTON — The Homeland Security Department plans to test futuristic iris scan technology that stores digital images of people's eyes in a database and is considered a quicker alternative to fingerprints.

The department will run a two-week test in October of commercially sold iris scanners at a Border Patrol station in McAllen, Texas, where they will be used on illegal immigrants, said Arun Vemury, program manager at the department's Science and Technology branch.

"The test will help us determine how viable this is for potential (department) use in the future," Vemury said.

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