On the heels of the poison laced letter sent to Sen. Roger Wicker, the Secret Service has found a suspicious substance in a letter to the President.
On Tuesday, the Secret Service intercepted a letter to the President at the White House mail screening facility. The substance in the letter was not readily identified by the deputy assistant director, Edwin Donovan.
According to reports, the news of the substance coincided with the evacuation of the first floor of the Hart Senate Office Building due to a suspicious package.
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