This is the first I've heard of the cyanide in Tylenol. The wikipedia article is really interesting. https://en.wikipedia.org/wiki/Chicago_Tylenol_murders htt

This is the first I've heard of the cyanide in Tylenol. The wikipedia article is really interesting. https://en.wikipedia.org/wiki/Chicago_Tylenol_murders https://en.wikipedia.org/wiki/Chicago_Tylenol_murders