Congressional officials confirmed that a letter addressed to Senator Roger Wicker tested positive for ricin, a potentially fatal natural toxin. According to the Associated Press, the envelope was ...

ALEXANDRIA, Va. — A Marine Corps veteran who pleaded guilty to making ricin after his contacts with a Virginia militia prompted a federal investigation was sentenced Wednesday to time served after the ...

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 ...

A former federal employee, ex-Marine and militia member from Virginia pleaded guilty last week to possessing ricin, a deadly toxin, which he had manufactured himself. Meanwhile, the arrest of the CEO ...

Ricin is a toxic protein naturally found in the seeds of the castor bean plant. Produced as a byproduct of castor oil production, ricin is one of the most potent toxins. It’s a potential agent for ...

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 judge on Friday ordered a Marine Corps veteran and former militia member to remain jailed pending trial on charges he attempted to make ricin, a biological toxin. Russell Vane, 42, of Vienna, ...

Daniel Milzman (COL ’16) was charged Friday afternoon with possession of a biological toxin after police found ricin in his room on the sixth floor of McCarthy Hall early Tuesday. Federal court ...

A Winslow man was sentenced to eight years in prison as part of a plea deal over possession of ricin, according to a news release sent by Charlie Robbins, spokesperson for the U.S. Department of ...