Nathan Richardson

Federal agents raid a home in New Boston, Texas in connection with the investigation into ricin-laced letters sent to Mayor Michael Bloomberg and President Obama on May 31, 2013. (credit: CBS 2)

Texas Woman Admits Sending Ricin To Obama, Bloomberg

Shannon Guess Richardson pleaded guilty in federal court in Texarkana, Texas, to a federal charge of possessing and producing a biological toxin.

12/10/2013

Newark Mayor Cory Booker (file / credit: Mayor's Office)

Report: Booker To Step Down From Tech Startup He Co-Founded

Newark Mayor and New Jersey U.S. Senate candidate Cory Booker announced Monday that he will be resigning from the board of the Web startup company he co-founded, according to a published report.

09/09/2013

Federal agents raid a home in New Boston, Texas in connection with the investigation into ricin-laced letters sent to Mayor Michael Bloomberg and President Obama on May 31, 2013. (credit: CBS 2)

Texas Woman Indicted In Obama, Bloomberg Ricin Letters Case

Shannon Richardson, 35, is charged with two counts of mailing a threatening communication and one count of making a threat against the president of the United States.

06/28/2013

Federal agents raid a home in New Boston, Texas in connection with the investigation into ricin-laced letters sent to Mayor Michael Bloomberg and President Obama on May 31, 2013. (credit: CBS 2)

CBS News: Actress Arrested In Connection With Ricin Letters Sent To Bloomberg, Obama

Shannon Guess Richardson, an actress and mother of five children, was arrested Friday, an official told CBS News. It’s not clear what charges would be filed against her.

06/07/2013