Pascale Ferrier sent threatening letters containing the poison to the White House in 2020. She called herself a "peaceful and genuinely kind person" at her sentencing.
Ednews reports via foreign media that a Canadian woman was sentenced to nearly 22 years in prison for sending threatening letters containing the poison ricin to US President Donald Trump in 2020.
Pascale Ferrier was sentenced on Thursday after she pleaded guilty to biological weapons charges earlier this year.
US District Judge Dabney Friedrich handed down the 262-month sentence that was part of a plea agreement with prosecutors.
She will be deported from the US after serving her sentence.