BURLINGTON, Vt. (AP) — A retirement community resident made ricin and tested the deadly toxin on her neighbors by putting it on their food or in beverages over a period of weeks, investigators said.

About one million tons of castor beans are processed every year, worldwide. Ricin is part of the waste from the beans when castor oil is made. Sometimes this is called “mash.” Less than a pinpoint can ...

WASHINGTON - JANUARY 12: U.S. Sen. Roger Wicker (R-MS) (R) speaks as Senate Minority Leader Sen. Mitch McConnell (R-KY) (L) listens during a news conference on Capitol Hill January 12, 2010 in ...

Jason Kale Clampit, 44, was sentenced for possession of ricin, which he had made to set traps for trespassers, prosecutors said. By Johnny Diaz An Arkansas man who produced jars of the lethal poison ...

Ricinus communis, a perennial flowering plant native to East Africa and India, appears innocuous at first glance. The wide-leafed plant’s two-meter stalk bears a large seed, deceptively known as a ...

Ricin is back in the news with reports that envelopes suspected of containing the poison were sent to the White House and top defense officials. A preliminary analysis showed the substance was castor ...

A woman suspected of sending a letter containing the poison ricin to President Donald Trump was arrested as she tried to enter the US from Canada at a border crossing in New York state, a US law ...

Follow this author to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings WASHINGTON - JANUARY 12: U.S. Sen. Roger Wicker (R-MS) (R) speaks as Senate ...