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Envelope sent to White House tentatively tests positive for cyanide

Wednesday, March 18, 2015 - 00:45

The Secret Service says an envelope mailed to the White House has tentatively tested positive for the lethal toxin cyanide and will undergo more testing to confirm the results. Linda So reports.

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The Secret Service says an envelope mailed to the White House has tentatively tested positive for cyanide. The letter was received on Monday at an off-site facility that screens White House Mail. A milky substance in a container was found inside the envelope, which has now been sent to another facility to undergo more testing to confirm the results. Cyanide is a potentially deadly toxin that attacks the heart and nervous system. No word yet on if any mail handlers at the facility were exposed to the toxin. The Secret Service has not said if the envelope was addressed to President Obama. Last year, a Mississippi man was sentenced to 25 years in prison for sending ricin-laced letters to the president and other officials.

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Envelope sent to White House tentatively tests positive for cyanide

Wednesday, March 18, 2015 - 00:45