ABC News Ricin Letters Intended to Scare, Not Kill Ricin powder has been in the United States mail twice within the last decade, but no one got sick, said Dr. Christopher Holstege, the chief of medical toxicology at the University of Virginia. http://service.meltwaternews.com/mnews/redirect.html?docId=2748741513&userId=1676096&cId=461430&agentId=622379&type=2&s=1153&url=http%3A%2F%2Fabcnews.go.com%2FHealth%2Fricin-letters-president-senator-intended-scare-kill%2Fstory%3Fid%3D18980563
