Michael Roston for trueslant.com

Did anti-tax, plane-crashing nut Joe Stack just get his first copy-cat? Via Talking Points Memo, the Deseret News in Utah is reporting that a Farr West building with an Internal Revenue Service facility in it was evacuated after receiving an envelope full of mystery powder. KSL-TV has streaming video from a chopper of vehicles parked outside the building, and apparently haz mat teams are on the scene:

A portion of an office building that houses the Internal Revenue Service was evacuated Monday due to a hazardous-materials incident.

The remainder of the building at 1973 N. Rulon White Blvd. was apparently locked down about 12:30 p.m. after a caller told dispatchers that a powdered substance was found in an envelope in the building.

At least two people were taken from the building on stretchers, according to KSL-TV.

The stretchers are an alarming detail, although they could just be precautionary. The FBI is apparently involved, too, according to KSL TV.

Our Ryan Sager has noted that there is a copy cat mentality in cases of violent crime covered by the mass media if someone sees a person getting to make their case to the world posthumously after they shoot up their workplace, they might do the same. It stands to reason that if Joe Stack got to make his case to the world through a terrorist attack on the IRS facility in Austin, Texas, someone might try to do this same thing to this facility in Utah.

Of course, a white powder could be, and perhaps likely is a fraud. Unless someone decided to go to the trouble of making some
.