«Woman sentenced for sending ricin-laced letters to president sues East Texas jail officials»(en inglés). Gregg County, Texas. 17 de abril de 2015. Archivado desde el original el 18 de abril de 2015. Consultado el 23 de febrero de 2020. «[L]awsuit was filed by Shannon Richardson[...] says in the documents that she did not receive adequate medical attention during her stay at Gregg County Jail, according to the lawsuit documents. Richardson, who was pregnant while she was detained, says the lack of medical attention and other stresses that arose as a result of her solitary confinement caused the premature birth of her son.»
Fermino, Jennifer; Parascandola, Rocco; Siemaszko, Corky (31 de mayo de 2013). «Texas man held by FBI in Obama threat, Bloomberg ricin letter cases revealed»(en inglés). Nueva York: NY Daily News. Archivado desde el original el 25 de julio de 2014. Consultado el 7 de junio de 2013. «Army veteran Nathan Richardson, 33, being questioned by the FBI, is married to ‘The Walking Dead’ and ‘Vampire Diaries’ actress and Dallas beauty queen Shannon Rogers Guess—who turned him in.»
LaRowe, Lynn (10 de mayo de 2018). «Judge won't shorten sentence in ricin case | Texarkana Breaking News». Texarkana News(en inglés). Archivado desde el original el 14 de mayo de 2018. Consultado el 23 de febrero de 2020. «In a 32-page opinion issued Wednesday in the Texarkana Division of the Eastern District of Texas, U.S. Magistrate Judge Caroline Craven addressed each of Richardson's complaints and found them all without merit. Craven pointed out that Richardson's lawyer, Tonda Curry of Tyler, Texas, successfully negotiated a plea that did not contain language related to terrorism, which would have left Richardson facing a life term under federal sentencing guidelines.»
Fermino, Jennifer; Parascandola, Rocco; Siemaszko, Corky (31 de mayo de 2013). «Texas man held by FBI in Obama threat, Bloomberg ricin letter cases revealed»(en inglés). Nueva York: NY Daily News. Archivado desde el original el 25 de julio de 2014. Consultado el 7 de junio de 2013. «Army veteran Nathan Richardson, 33, being questioned by the FBI, is married to ‘The Walking Dead’ and ‘Vampire Diaries’ actress and Dallas beauty queen Shannon Rogers Guess—who turned him in.»
«Woman sentenced for sending ricin-laced letters to president sues East Texas jail officials»(en inglés). Gregg County, Texas. 17 de abril de 2015. Archivado desde el original el 18 de abril de 2015. Consultado el 23 de febrero de 2020. «[L]awsuit was filed by Shannon Richardson[...] says in the documents that she did not receive adequate medical attention during her stay at Gregg County Jail, according to the lawsuit documents. Richardson, who was pregnant while she was detained, says the lack of medical attention and other stresses that arose as a result of her solitary confinement caused the premature birth of her son.»
LaRowe, Lynn (10 de mayo de 2018). «Judge won't shorten sentence in ricin case | Texarkana Breaking News». Texarkana News(en inglés). Archivado desde el original el 14 de mayo de 2018. Consultado el 23 de febrero de 2020. «In a 32-page opinion issued Wednesday in the Texarkana Division of the Eastern District of Texas, U.S. Magistrate Judge Caroline Craven addressed each of Richardson's complaints and found them all without merit. Craven pointed out that Richardson's lawyer, Tonda Curry of Tyler, Texas, successfully negotiated a plea that did not contain language related to terrorism, which would have left Richardson facing a life term under federal sentencing guidelines.»