UPDATE: Mississippi Man Arrested For Sending Suspicious Letter t - Northern Michigan's News Leader

UPDATE: Mississippi Man Arrested For Sending Suspicious Letter to President

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The man accused of sending ricin laced letters to President Obama and a US Senator appeared in court today.

His attorney says Kevin Curtis is innocent.

Yesterday, Curtis' family said he has a history of mental problems, including bipolar disorder and have tried for years to get him help.

They went on to say when Curtis takes medicine he is a loving person but believe he hasn't been taking it.

The FBI has arrested a Mississippi man in connection with suspicious letters sent to President Obama and other political figures.

Police arrested Paul Curtis, who appeared in a federal courtroom this morning.

Curtis' attorney says he was surprised by the arrest, and that he is innocent. 

Curtis is charged with mailing letters with suspected ricin to the president among others.

The U.S. Secret Service says it intercepted a letter addressed to President Obama that contained a suspicious substance.

According to the FBI, the letter has tested positive for ricin, a poison that is deadliest when inhaled.

The letter comes a day after lawmakers said Senator Roger Wicker received a letter that tested positive for ricin.

Both letters are believed to be related, and were both postmarked out of Memphis, Tennessee on April 8th.

Local Senator, Carl Levin says his office in Saginaw has also received a suspicious letter, which tested negative.

One senator said police have a suspect in mind for that case.

The letter sent to Senator Levin was not opened, and one addressed to President Obama did not make it to the white house.