Northeast Texas woman arrested in ricin letter investigation

Sources say that Shannon Richardson has been transported from the courthouse to St. Michaels Hospital in Texarkana. It is unknown at this time why she is at the hospital. Shannon Richardson was arrested Friday for allegedly sending ricin-laced letters to President Barack Obama, New York City's Mayor Michael Bloomberg and Bloomberg's gun control group in Washington D.C. Federal investigators began focusing on the area after learning that the letters were postmarked in Shreveport, Louisiana.

Shannon's husband, Nathan Richardson, was named as a person of interest after Shannon contacted authorities about a suspicious substance she found in their refrigerator. Nathan Richardson was questioned by the FBI last week and released. Colt Caywood, a Richardson family friend, says that FBI officials have been interviewing some of the family's friends.
Attorney John Delk says his client Nathan Richardson approached him about getting a divorce a year before the FBI searched the couple's house.
Richardson's wife reportedly alerted authorities to suspected ricin in the couple's New Boston home.
"We have very good reason to believe it was a setup," said Delk.
FBI haz-mat teams have been in and out of the home since Friday.
The couple has been married since October 2011 and are expecting a child. Shannon Richardson already had five children when they married. While the divorce papers have been filed, the divorce will not be final until Shannon gives birth.