White powder scares have haunted the American landscape ever since 2001. Offices have been shut down with regularity, and there’s no end in sight.

By The Associated Press
EL PASO, Texas – The FBI headquarters in El Paso was evacuated Wednesday after two people in the mail room were exposed to a white powdery substance.
The employees who came in contact with the powder were taken to a local hospital as a precaution. Everyone else in the federal law enforcement building, which houses about 200 FBI employees and nearly 100 U.S. Drug Enforcement Agency personnel, was sent home while hazardous materials crews worked to identify the substance.
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