ALEXANDRIA, Va. — A Vienna man has pleaded guilty to possession of unregistered ricin on Wednesday. Ricin is a toxin that's naturally found in castor beans, according to the Centers for Disease ...

Ricin, contained in a package addressed to the White House, was intercepted by investigators on Saturday, the FBI said. The poison, found in castor beans, could “potentially be used as a biological ...

Add Yahoo as a preferred source to see more of our stories on Google. ALEXANDRIA, Va. (AP) — A judge on Friday ordered a Marine Corps veteran and former militia member to remain jailed pending trial ...

Ricin is a natural, highly toxic compound that is a byproduct of processing castor beans. If inhaled, injected or ingested, less than a pinpoint of ricin can kill a person within 36 to 48 hours due to ...

The News-Press and Naples Daily News recently connected with Marc S. Frank, an Extension Botanist and Assistant Collection Manager at the University of Florida's Herbarium at the Florida Museum of ...

What is ricin poison? Ricin is a highly potent toxin derived from the waste of castor beans processed to make castor oil. Although the toxicity of castor seeds was well known, ricin was first isolated ...

WASHINGTON — A 55-year-old woman is set to serve over 21 years in prison, followed by a lifetime of supervised release, for mailing then-President Donald Trump threatening letters containing homemade ...