Shannon Richardson is placed into a Titus County Sheriff's car after an initial appearance Friday, June 7, 2013 at the federal building Texarkana, Texas. The FBI says Shannon Richardson admitted sending ricin-tainted letters to President Barack Obama and New York City Mayor Michael Bloomberg, but only after trying to pin it on her husband. ((AP Photo/The Texarkana Gazette, Curt Youngblood) MANDATORY CREDIT, APTOPIX