Matt McCaffery was a relatively unknown GOP chair in suburban Pennsylvania when police showed up at his door last year after an anonymous tip accused the Marine veteran of holding his family hostage — a swatting incident meant to terrorize him and his family just hours after he endorsed Kamala Harris for president.

"If it could happen to me, small-town Matt McCaffery, it can happen to you," said the former chairman of the Upper Merion Republican Committee.

The hoax call was just one of nearly 2,000 records of threats to local officials identified over the past decade in new data from the Impact Project and the Public Service Alliance. CBS News received exclusive access to the dataset, dubbed the " Security Map ," ahead of its public release. It compiles more than a decade of cases

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