if the news of the past week has felt like a more are horror film, news coming occupy mississippi about the ricin letters feels like a coen brothers movie, a strange tale of impersonators, organ harvesting conspiracies and internet fights over mensa certificates. police swept across washington, chasing reports of suspicious packages, letters containing the deadly poison ricin sent to the president and mississippi senator roger wicker. both letters were signed i am kc, and i approve this message. later that day, the fbi arrested a man named paul kevin curtis at his home in corinth, mississippi.