ricin
Pascale Cecile Veronique Ferrier reportedly expressed no remorse, saying her one regret was that Trump still ran for reelection.
The package was intercepted before it reached the White House, law enforcement officials said.
The bureau said a University of Minnesota student may have "intentionally" been handling the biological toxin.
The envelopes, allegedly sent by William Clyde Allen III to President Trump and top military chiefs, were thought to contain ricin.
