Shannon Richardson sentenced to 18 years in prison

By Nikki Henderson |

Published 07/16 2014 12:01PM

Updated 07/16 2014 05:54PM

On Wednesday a judge also ordered Richardson,of New Boston, Texas, to pay $367,000 in restitution. 

Richardson was found guilty on one count of threatening the President of the United States and two counts of mailing threatening communications after letters containing ricin were mailed to President Barack Obama, New York Mayor Michael Bloomberg and a gun control activist.

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