A Mississippi man questioned last week is now under arrest for his suspected involvement in the mailing of ricin letters to several lawmakers.

Both the Tupelo, Mississippi home and martial arts studio of James Edward Dutschke were searched by federal investigators last week after another former suspect, Paul Kevin Curtis, implicated Dutschke during a court hearing following his own arrest and subsequent release.

The ricin-laced letters had been sent to President Barack Obama, Senator Roger Wicker of Mississippi, and Lee County Judge Sadie Holland.  Fears were heightened as the letters were discovered shortly after the Boston Marathon bombings.  The two events were later proved to be unrelated.

Paul Kevin Curtis, who is a professional Elvis impersonator, is said to have told investigators who came to his house that he does not eat rice, nor did he have any in his house when they asked him about the toxin "ricin."