POMPANO BEACH (CBS4) – It looks like Big Brother won’t be listening in Pompano Beach any more.

After a year’s trial the half a million dollar ShotSpotter system, on loan from the FBI, will be dismantled and returned, according to The Sun-Sentinel.

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Installed last year, the ShotSpotter system entailed 39 special sensors within a two-square-mile area identified as a high-crime neighborhood. The system’s develops said the sensors could pick up the sound of a gun shot and relay the information back to the Broward Sheriff’s Office which could dispatch deputies.

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The problem is the system couldn’t distinguish between gunshots, firecrackers, vehicle backfires or big trucks downshifting on nearby I-95.

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The sheriff’s office said they could chalk up only four arrests to the system compared to the many man hours wasted by deputies checking out false alarms.