I’ve been pondering how that idiot could have gotten a hold of the poison and then, why in the heck he would be so damn stupid to send it when he left such an easy trail back to himself?
I wondered why the called him an Elvis imitator. :>)
Ricin IS RARELY fatal unless one gets it directly INTO THE BLOODSTREAM...
The Russians used a tiny hollow metal sphere loaded with it. An umbrella with a point was the delivery system. A bump on a crowded street and bingo. Just putting in a letter is essentially harmless.
Ricin in the blood will make one's liver look like it had been through a blender.
As everyone knows, it is found in a very, very common ornamental plant in the United States, the castor bean.