Letter sent to White House tested, returns a presumptive positive for cyanide

The White House.
(Image credit: Mark Wilson/Getty Images)

A letter sent to the White House was chemical tested by the Secret Service, and has returned a presumptive positive for cyanide. An initial biological test came up negative, the Secret Service said Tuesday, and it is being tested against to confirm the positive result. The letter was received on Monday at the White House Mail Screening Center.

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Catherine Garcia

Catherine Garcia is night editor for TheWeek.com. Her writing and reporting has appeared in Entertainment Weekly and EW.com, The New York Times, The Book of Jezebel, and other publications. A Southern California native, Catherine is a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.