The Taste of Cyanide

....“Prasad mixed a pinch of the potassium cyanide powder, he carried in a plastic cover with the liquor and stirred it with the other end of the pen with which he was signing off.” But he may have accidentally put the “poisoned” tip of the pen into his mouth before completing the note. When he realised his “folly”, he hurriedly wrote a few lines: “Doctors, potassium cyanide. I have tasted it. It burns the tongue and tastes acrid.”[HT]