Jason Kale Clampit was sentenced to eight years in prison for making ricin, a biological weapon favored by assassins and terrorists.

Alnwick Garden in Northumberland, England, is home to the Poison Garden, which contains around 100 deadly and toxic plants.

Deadly plants include highly toxic species such as nightshade (Atropa belladonna), hemlock (Conium maculatum), foxglove (Digitalis purpurea), and ricin-producing castor bean (Ricinus communis).

Here's what we know about the toxin. What it is: Ricin is a toxic protein that comes from the castor oil plant. Castor beans are not all that dangerous on their own because they are surrounded by ...

A Winslow man was sentenced on Thursday in federal court after being arrested in 2024 for the possession or attempted manufacturing of the poison ricin, according to court documents.