Tetrodotoxin is a powerful and potentially lethal toxin produced by the pufferfish. The poison is sold in natural and synthetic forms for research purposes. In one ten-year period in Japan, 179 people died from fugu (pufferfish) poisoning.US Food & Drug Administration: Tetrodotoxin
The Edward Bachner Case
On July 1, 2008, Edward F. Bachner IV was arrested in Illinois for possessing 98 milligrams of the substance. Bachner had allegedly posed as a doctor while ordering the toxin.Chicago Tribune: Edward Bachner Arrested After Ordering Pufferfish Toxin (July 1, 2008)