"Haz mat crews have been called to an IRS building in Ogden, Utah, according to a report by The Standard-Examiner. The newspaper reports that the building's entrance is blocked and that the FBI is investigating." - Christopher Chung

"Rising threats against IRS. Threats against IRS employees rose 21.5% last year, according to the Treasury Department's Inspector General for Tax Administration. In the 2008 fiscal year, there were 834 threats against IRS employees. During that same period in 2009, threats jumped to 1,014." - Christopher Chung