GRAND ISLAND, N.Y. (WKBW) — It has been three-and-a-half years since the racist mass shooting at Tops on Jefferson Avenue. That shooting was a lesson -- a wake up call -- for the Grand Island school superintendent who decided more needed to be done to protect students and staff.

So the district invested in A-I technology to detect a gun on school property. But in a day and age where school shootings have become all too common, is this technology working or is it there just to provide comfort?

Outside Grand Island schools, surveillance cameras are rolling 24/7. What you don't see is an AI technology that can help detect a gun. It's called Zero Eyes. Superintendent Dr. Brian Graham says they're monitored off site, in Philadelphia.

WATCH: How are Grand Island Schools keeping students safe?

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