Boric acid blamed for scare at KC IRS headquarters

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Boric acid blamed for scare at KC IRS headquarters

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Boric acid blamed for scare at KC IRS headquarters

by KMBC - Kansas City Videos 2:08 mins

Boric acid blamed for scare at KC IRS headquarters

by KMBC - Kansas City Videos 2:08 mins

Investigators said a powdery substance found on an envelope at Kansas City's IRS headquarters was boric acid and did not pose any danger to humans.

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