Martial arts guru pleads guilty in Obama ricin plot
A 41-year-old martial arts instructor on Friday pleaded guilty to sending ricin-laced letters to President Barack Obama.
Sat Jan 18 2014
Ricin found in dojo of US man charged in Obama plot
Traces of ricin were found in the martial arts studio of a US man charged in a bizarre plot to send poisoned letters to President Barack Obama.
Tue Apr 30 2013