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 ...

An Arkansas tree cutter who made jars of the lethal poison ricin on his rural property was sentenced to eight years in prison for possessing a biological agent infamously known for being one of the ...

The teenager accused of the fatal stabbing of three girls at a dance class in Southport has been charged with the production of deadly poison ricin and a terror ...

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 ...

A patient claiming to be poisoned forced an emergency waiting room evacuation Wednesday morning at Washington Regional Hospital in Fayetteville, Ark., according to a KFSM report. Fayetteville Police ...

All us informed news-savvy Hoyas hold ricin attacks in recent memory. And if there’s anything you want to read about during finals week, it’s poison. But what exactly is ricin and how is it dangerous?

A package containing the poison ricin and addressed to President Donald Trump was intercepted by law enforcement earlier this week, according to two law enforcement officials. Two tests were done to ...

An Arkansas man who produced jars of the lethal poison ricin on his property with the intention of setting traps for trespassers was sentenced to eight years in prison for possessing a biological ...

WASHINGTON/OTTAWA, Sept 19 (Reuters) - An envelope addressed to the White House and intercepted by U.S. authorities contained a substance identified as ricin, a deadly poison that appeared to have ...