(NEWSER) – Federal agents have arrested a Mississippi man in connection with toxic letters sent to President Obama and two others, and this time they mean it. The FBI took Everett Dutschke into custody early this morning in Tupelo, reports WTVA, though there's no word yet on charges. Dutschke's name emerged in the investigation after authorities dropped their case against the first suspect, Paul Kevin Curtis. He and Dutschke have been feuding for years, and Curtis claims someone tried to frame him for the ricin letters. They also were sent to Sen. Roger Wicker and a local judge.