Information on terrorism and public health. Provided by the Centers for Disease Control and Prevention (CDC).

The man charged with mailing letters with suspected ricin to the president and others was surprised by his arrest and maintains he is innocent, according to his attorney. Paul Kevin Curtis appeared in a federal courtroom Thursday in Oxford, Miss

Meanwhile, the man who allegedly mailed letters laced with the potent toxin ricin to the White House and to congressional offices is now in custody. His name is Paul Kevin Curtis, he's from Corinth, Miss., and he seems a very unlikely conspiracy

Paul Kevin Curtis, 45, an Elvis impersonator, was arrested wednesday and charged with mailing ricin-tainted letters to President Barack Obama and other politicians. MORE: crime • poison. oasisob1. Worst impersonation of

(CNN) — The FBI said Thursday it confirmed the presence of the deadly poison ricin in letters sent to President Barack Obama, a U.S. senator and a judge. Earlier, an Elvis impersonator charged in the case appeared in federal court in Oxford Mississippi.