ELK GROVE VILLAGE, Ill. (WLS) -- Residents and local elected officials said it was unsettling to see a Homeland Security Investigations operation unfold Friday at a warehouse in Elk Grove Village.

Video from witnesses nearby the facility near Busse Road shows federal agents going into the warehouse for an undisclosed operation.

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That building is operated by Accelerated Global Operations and SpeedX.

"The manager told me everyone at that location has a worker's permit. To my understanding, everyone who was detained was detained solely based on not having a physical copy of their work permit on their person today," said Kevin Morrison, Cook County commissioner for the 15th District.

Morrison says he arrived after employees were deta

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