DALLAS (December 10, 2013) Shannon Guess Richardson, a Texas woman who’s had minor roles in two TV series, pleaded guilty Tuesday to sending ricin-laced letters to President Barack Obama and New York Mayor Mike Bloomberg.
Richardson entered her guilty plea Tuesday in Texarkana.
Richardson’s attorney, Tonda Curry, said the plea deal caps any prison sentence at 18 years.
Curry said Richardson was ready to admit her role in sending toxic letters to Mr. Obama, Bloomberg and the head of Bloomberg's pro-gun control group.
Before her arrest, prosecutors say Richardson tried to frame her now-estranged husband for mailing the letters containing ricin, a powdery substance that can cause respiratory failure if inhaled.
Richardson, who was arrested in June, is a mother of five who has had minor roles in the cable TV series “The Walking Dead” and “The Vampire Diaries.”
Richardson, 35, contacted authorities on May 30 to implicate her husband, but an FBI affidavit says she failed a polygraph test and investigators found inconsistencies in her story.
The affidavit says she later admitted mailing the letters knowing they contained ricin, but said her husband typed them and made her do it.