It can come in the form of a mist or pellet and can be dissolved in water or weak acid , the agency said . Roger Bergendorff thought exposed to ricin in Nevada hotel room . Bergendorff , in coma since February , awake and being questioned . Score: 7
Roger Bergendorff thought exposed to ricin in Nevada hotel room . Bergendorff , in coma since February , awake and being questioned . Score: 7