Tiny cameras found hidden on Broomfield park benches a mystery

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BROOMFIELD, Colo. -- Twice this week, Broomfield Police have been called to the city's open space area on calls of suspicious devices.

Once the Adams County Bomb Squad even had to be called out to make sure one of the devices was not explosive.

It was not.

Authorities say the two devices may be homemade "pinhole" cameras, but cannot say for certain.  One was found taped to a bench, the other, to a fence.

Residents are concerned about why someone would attach them to the park benches.

Cops are urging whomever left the devices to come forward, no charges will be filed.  Until then, the mystery continues.