Woman Who Sent Ricin Letters to Obama, Bloomberg Pleads Guilty to Federal Charges On Tuesday, December 10th, a Texas-based mother of six and former actress pleaded guilty to federal charges for sending ricin-laced letters to President Barack Obama and New York Mayor Michael Bloomberg. Shannon Guess Richardson’s guilty plea was part of a deal to limit her prison sentence to only 18 years. She was in court for a federal charge of possessing and producing a biological toxin. Richardson, a 35-year-old mother of six and actress who had small … [Read more...]