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LIVINGSTON, IL (KTVI)-- Homeland security, the US Customs and Border Patrol and other police agencies swarmed Livingston, Illinois.

They all parked in the field of a grade school.

The peacefulness of the town of 850 was broken by all the excitement.

The law officers would not comment about their operation, even to the school superintendent and they were using the school district’s land.

The site became an immediate attraction for citizens who say the officers were hospitable, inviting the kids to check out the choppers up close.

A spokesman in the U.S. Attorney`s Office said he cannot confirm or deny anything about an ongoing investigation. However we could learn more about this case Friday.