It is worth mentioning that ricin plots have been associated with domestic militia groups in the recent past.
Once again, cable news channels are wall to wall with bombing and ricin coverage.
What happened besides the Boston Marathon bombing, ricin attacks, and the massive Texas explosion?
poison obtained from the castor-oil bean, 1888, from ricinus, genus name of the castor-oil plant (1694), from Latin ricinus (Pliny), of uncertain origin, perhaps the same word as ricinus "tick" (in sheep, dogs, etc.).
ricin ri·cin (rī'sĭn, rĭs'ĭn)
A poisonous protein that is extracted from the castor bean and is used as a biochemical reagent.