Milwaukee County Courthouse threat 'not believed to be credible'

Threat made to Milwaukee County Courthouse staff

A threat to a Milwaukee County Clerk of Courts employee prompted sheriff's deputies to search the courthouse Tuesday afternoon, Feb. 14. 

Deputies and K-9s conducted a perimeter sweep of the courthouse complex. Upon initial investigation, the threat is "not believed to be credible."

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As part of the investigation, the sheriff's office temporarily closed screening stations. An internal security sweep was also conducted, but nothing was found.